A conducting wire carrying current behaves like a ………………………, Question 17. These MCQs includes almost all questions from intext questions and exercises questions. Question 11. (c) copper and sulphate (b) zinc MCQ Questions for Class 7 Science: Ch 14 Electric Current and Its effects Abhishek 07 Sept, 2020 MCQ Questions for Class 7 Science: Ch 14 Electric Current and Its effects Question 4. (b) liquid B is a better conductor than liquid A Distilled water is an insulator. We have Provided Electric Current and Its Effects Class 7 Science MCQs Questions with Answers to help students understand the concept very well. (b) protons The magnetic field lines outside a bar magnet: (a) Originate from the South pole and end at its North Pole Question 4. Question 27. CBSE- Chemical Effects of Electrical Current-MCQ. It must be noted that the world today is based in power of electricity and uses various effects of electricity. (c) tin Question 3. Zinc is deposited on iron used in bridges and automobiles. B. 14.5 – Electric Bell. (b) whenever a weak electric current flows through it (d) none of these. Electroplating is heating effect of electric current. Electroplating is a method of coating a metal on another metal using electric current. When a switch is in OFF position, (i) circuit starting from positive terminal of the cell stops at the … Question 24. (c) rod Question 2. Nails (iron) is conductor of electricity, whereas member, paper and plastic are poor conductor, Question 19. Class 8 Chemical Effects of current Class 8 Science Home Page. Electricity is a very powerful source of energy and can easily transform into another form of energy , which is then easily can be transmitted to various […] (d) none of these. The passage of an electric current through a solution causes. CBSE Class 7 Science Electric current and its Effects MCQs.Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and NCERT Electric current and its Effects guidelines. Access Answers to NCERT Exemplar for Class 7 Science Chapter 14- Electric Current and Its Effects Multiple Choice Questions. (b) maintain a potential difference current Hope the information shared regarding the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download is true and genuine as far as our knowledge is concerned. Question 11. Anode is the electrode which is connected to the negative terminal of the battery. (b) Zinc For example: All metals including metal wires, copper wires, aluminium foil, etc. (d) none of these. Question 23. Question 14. October 5, 2020. In a dry cell, which of the following acts as the positive terminal? Which metal is electroplated on iron for making “cans” for storing food and drinks? Answer 2. Deflection in …………………….. shows current is passing. (a) cations Have a glance at the MCQ of Chapter 14 Science Class 8 and cross-check your answers during preparation. Flow of Electrons in the Matter. (c) electrode (d) none of these. (d) none of these. 1. Which of the following is an insulator? Salty water, orange juice and lemon juice, all are good conductors. Question 5. Science Important Questions Class 8 are given below. All liquids conduct electricity. (d) none of these. January 7, 2019 January 9, 2019 study_rankers. (c) neutrons 18. Students can solve these Chemical Effects of Electric Current Class 8 MCQs Questions with Answers and assess their … MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Which acid is present in lemon juice that acts as an electrolyte? A white it glows very dimly for liquid H. You would conclude that: (a) electrons 17. Class 10 Science MCQs Chapter 12 Electricity. (b) cathode 5. (c) lemon juice rubber, wood, asbestos, plastic, etc. (a) convert chemical current into electric MCQ HOTS Questions Notes NCERT Solutions Sample Questions Test When electric current is passed through the copper sulphate solution, copper sulphate dissociates into: LED glows when even a weak electric current flows through it. Liquid A is a better conductor than liquid B. Question 16. The positive charged ions are called: (c) a liquid that conducts electricity The chemical effect of electric current and its application is also discussed. (a) convert chemical current into electric (d) none of these. 16. An electrolyte is: Electroplating is a process which is: Electric Current: The flow of electrons in any material is termed as an electric current. (b) small electric current Question 9. If you feel any information regarding CBSE Class 8 Science Chemical Effects of Electric Current MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly. Which of the following is a good conductor of electricity: 20. (a) copper and sulphur (c) when no electric current flows through it Which one of the following is the insulator: Answer 5. Question 10. The …………………….. of a bulb glows when current passes through it. Multiple Choice Questions (MCQs) Question 1 An electric current can produce (a) heating effect (b) chemical effect (c) magnetic effect (d) chemical, heating and magnetic effects Answer. If a switch has some sparking, we will switch it off with the help of: Chapter – 14 Chemical effect of electric current MCQ Test – 2 Science | Class – 8th January 7, 2019 January 9, 2019 study_rankers Home / Class 8 Science / Chapter – 14 Chemical effect of electric current MCQ Test – 2 Science | Class – 8th Give an example of chemical effect of the electric current. A battery is used to: (c) wooden stick (c) thermal conduction (a) anode The passage of an electric current through a solution causes …………………….. effect. Magnetic compass connected in a circuit is used to check small current. (b) whenever a weak electric current flows through it (b) a solution Top Fuse wire is used in electric circuit to prevent, (a) Electrical appliances and circuit from high current, ► (a) Electrical appliances and circuit from high current. Question 22. Such materials are called bad conductors of electricity, e.g. Anode is the electrode connected to the positive terminal of the battery. (c) lin CBSE Class 7 - Science - CH 14 - Electric Current and Its Effects (MCQs) Electric Current and its Effects (MCQs) Why CFL is better than electric bulb? In electrolytic solutions, which of the following acts as carrier of charge? (a) making plates Multiple Choice Questions (MCQ) for Chemical Effects of Electric Current - CBSE Class 8 Science on Topperlearning. These MCQ's are extremely critical for all CBSE students to score better marks. Question 6. We use magnetic needle to find the effect of: Electrolysis occur when the electrolyte is in the …………………….. state. State whether the following statements are True or False: Question 1. Class 6 Science Chapter 12 MCQ (Multiple Choice Questions) of Electricity and Circuit. (d) none of these. The flow of electrons constitutes an electric current. (c) magnetism Kerosene is non-electrolyte. (c) copper and sulphate Which categories of substance are generally good conductors? (a) slow electric current MCQs from CBSE Class 10 Science Chapter 13: Magnetic Effects of Electric Current. (a) istilled water When current flows through a conducting solution than the electrode connected to the negati’wc terminal of the battery is called : (a) human body (a) electrolyte (b) copper and oxygen Science Class 8 Important Questions are very helpful to score high marks in board exams. (a) electrons (a) rubber (a) liquid A is a better conductor than liquid B (d) measure the temperature. (d) conducting properties of liquid cannot be compared in this manner. 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(d) None of these. (b) orange juice Answer: The process of depositing a layer of a desired metal on any other material by means of electrolysis is called electroplating. Distilled water is free of salt. NCERT 8th Class (CBSE) Science: Chemical Effects of Electric Current – Quiz. Question 2. (d) none of these. The process of depositing a layer of any desired metal on another metallic object, by means of electricity, is called ………………………, Question 10. Q1: The liquid will conduct electric current in a circuit when the vessel is filled with _____. (a) Copper from positive electrode (b) zinc Cations are positive charged ions. Question 15. Question 4: Chemical effect of electric current is also known by which term? (c) distilled water On passing current in water, bubbles of oxygen are formed on the electrode connected to the positive terminal of the battery. All vegetable oils are non-electrolytes. Question 12. (a) brass (a) an electrolyte Which liquid do not conduct electricity? (d) none of these. (c) chemical effect off electricity Question 20. Answer: The passage of an electric current through a conducting solution causes chemical reactions as a result, bubbles of a gas are formed, or deposits of metal are seen on electrodes or changes in colour of solution , may occur. 24. Leather is a good conductor of electricity. Which of the following does not conduct electricity? MCQ Questions for Class 8 Science: Ch 14 Chemical Effects of Electric Current 1. (a) magnetic effect of electricity Which of the following does not conduct electricity? MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. (c) distilled water Register online for Science tuition on Vedantu.com to … Question 3: What is electroplating? (c) chemical effect off electricity Distilled water do not, conduct electricity. Magnetic compass connected In a circuit is used to check: Question 13. Students can solve these Chemical Effects of Electric Current Class 8 MCQs Questions with Answers and assess their preparation level. (c) making plates which use electricity Question 5. (a) electrolyte (a) cations Question 3. Most liquids that conduct electricity are solutions of …………………….. and ………………………. Free PDF Download - Best collection of CBSE topper Notes, Important Questions, Sample papers and NCERT Solutions for CBSE Class 8 Science Chemical Effects of Electrical Current. Cathode is the electrode connected to the negative terminal of the battery. ► (d) It forms positive and negative ions. Question 9. (d) none of these. (a) Chromium Practice with these objective questions to score more in your terminal exams or unit tests. Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download is available here. (c) rod Electro-resistivity . (a) cations ……………….. is deposited on Iron used in bridges and automobiles to protect it from corrosion and formation of rust. (a) brass On passing electric current through the copper sulphate solution, copper sulphate dissociates into copper and sulphate. (d) none of these. Science worksheets for class 8 CBSE includes worksheets on Chemical Effects of Electric Current as per NCERT syllabus. (b) Sulphur Electric current. Magnetic needle is used to find the effect of small electric current. In electric circuit, current flows due to, 25. Which of the appliances at your home does not run on electric current? During electroplating in CuSO4 (copper sulphate) solution copper from CuSO4 solution will get deposited on electrode at negative terminal. Which of the following are the characteristics of an electrolyte? A tester is used to check the conduction of electricity through two liquids, labelled A and B. Question 10. 14.3 – Magnetic Effect of Electric Current. Chemical Effects of Electric Current - Class 8 : Notes. Flow of negatively charged electrons is called ………………………. Car parts, bath taps, kitchen gas burners, bicycle handlebars arc electroplated with: CBSE class 8 worksheets as PDF for free download Chemical Effects of Electric Current worksheets. All MCQs are important for exams as well as school tests. 1. 14.4 – Electromagnet. Question 18. Addition of caustic soda in distilled water makes it an ………………………, Question 6. (c) Copper from CuSO4, solution The cans, used for storing food, are made by electroplating tin onto iron. Question 7. (d) steel. On passing electric current through the copper sulphate solution, it dissociates into copper and sulphate. Handles of doors are coated with …………………….. to give them lustre. Common salt solution and acidic solution conduct electricity. Question 14. Check the below NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download. Question 18. Materials which allow an electric current to pass through them are called ………………………. Question 7. Next. (a) Human body (b) Graphite (c) Pure water (d) Copper. (a) chromium (b) paper Brass is the conductor, plastic, mica and leather are insulators. (a) an electrolyte (d) None of these. Students can solve NCERT Class 10 Science Electricity Multiple Choice Questions with Answers to know their preparation level. (c) no change occur Answer 3. (b) tap water (c) small current Anions are negative charged ions. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. Current flows from …………………….. terminal to …………………….. terminal in an electric current. on to irons In a current carrying conductor the net charge is(a) 1.6 x 10–19 coulomb (b) 6.25 x 10–18 coulomb(c) zero (d) infinite Answer Answer: (c) Explanation: In a current carrying conductor, the net charge is zero. CBSE Class 8 Science - CH 14 - Chemical Effects of Electric Current (MCQs) Chemical Effects of Electric Current MCQs. (a) liquid A is a better conductor than liquid B (c) tin Conventional current flows from positive to negative terminal; electronic current lows from negative to positive terminal. Students can solve NCERT Class 10 Science Magnetic Effects of Electric Current Multiple Choice Questions with Answers to know their preparation level. (c) both liquids are equally conducting Cotton cloth or wooden stick can be used to switch off the switch if it has some parking, Question 21. These MCQ Questions on Electric Current and Its Effects Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Pure water is good conductor of electricity. Question 1. Question 16. Electroplating is a process which is chemical effect of electricity. (d) none of these. Adding lime water to tap water makes it an electrolyte. (b) plastic Rubber is a good conductor of electricity. Studyrankers is a free educational platform for cbse k-12 students. Magnetic effect . Chemical Effects of Electric Current Class 8 MCQs Questions with Answers 1. All the MCQs are helpful for the revision of chapter and doubt clearing. Question 9. Question 8. 8. 1. (b) slow current (b) electrodes Tap water is a good conductor of electricity. (c) It conducts charge without dissociating. (b) small electric current (d) none of these. (b) anions (b) cathode Chapter – 14 Chemical effect of electric current MCQ Test – 1 Science | Class – 8th. 14.2 – Heating Effect of Electric Current. Kerosene is: Q.2. You pay for: A. Solving the Chemical Effects of Electric Current Multiple Choice Questions of Class 8 Science Chapter 14 MCQ can be of extreme help as you will be aware of all the concepts. 1. In electroplating, the object to be electroplated is made: (a) anode (b) cathode (c) none (d) both. The current which is assumed to be flowing in a circuit from positive terminal to negative, is called(a)… Question 13. A battery is used to convert chemical current into electric current. (b) coating a metal on another metal using electric current Question 11. Multiple Choice Questions (MCQs) Which of the following is an insulator? Solution : The decomposition of liquid compound on passing an electric current through it is known as Electrolysis. MCQ or Multiple choice questions on chemical effects of electricity is for class VIII students of CBSE board. (c) Copper from CuSO4, solution Plastics are poor conductor of electricity. (a) electrolysis Users can download and print the worksheets on class 8 Science Chemical Effects of Electric Current for free. 6. The entire NCERT textbook questions have been solved by best teachers for you. Which of the fallowing liquid is poor conductor: The process in which chemical change takes place in a substance when electric current is passed through it is called electrolysis. (b) acidic solution (b) non-electrolyte It is found that the bulb of the tester glows brightly for liquid. (d) none of these, (a) chromium (a) anode Electrolysis . (a) a metal When electricity is passed through a liquid, it causes a …………………….. change. (a) chromium An electrolyte is a liquid that conducts electricity. Bodies of human beings and animals are insulators of electricity. (a) cations MCQ , Class 8, Science . (b) cathode In class 8 science chapter 14 notes, various good and bad conductors of electricity are discussed. The bulb glows when the electric current passes through it due to. These MCQs includes all the questions from intext paragraphs and objective questions from exercises. Question 1. Question 15. Students and parents can download free a collection of all study material issued by various best schools in India. Question 12. (a) anode Electric … (c) kerosene (a) common salt solution (a) Sugar solution Class 10 Science Chapter 13 MCQ (Multiple Choice Questions) of Magnetic Effects of Electric Current. Free PDF download of Important Questions with solutions for CBSE Class 8 Science Chapter 14 - Chemical Effects of Electric Current prepared by expert Science teachers from latest edition of CBSE(NCERT) books. (a) electrolysis 21. Which of the following liquids is a bad conductor of electricity? Question 4. LED glows: (d) making a metal with another metal. Question 6. (b) Vinegar solution The cans, used for storing food, are made by electroplating ……………. Question 17. (c) acid The process in which a chemical change takes place in a substance, when electric current is passed through it is called: An electric lamp glows due to …………………….. effect of electric current. In battery two or more cells are connected in. Question 2. Electric current is measured by a device, 15. Carparks, bath taps, kitchen gas burners, bicycle handle bars are electroplated, Question 13. Here you can get Class 8 Important Questions Science based on NCERT Text book for Class VIII. (c) Lemon juice... 2. Electroplating is a method of: Petrol is agood conductor of electricity. Question 8. NCERT Exemplar Class 8 Science Chapter 14 Chemical Effects of Electric Current. 22. Materials connected at …………………….. terminal gets electroplated with desired metals. Science NCERT Grade 8, Chapter 14, Chemical Effects of Electric Current as the name suggests, discusses some important concepts related to the chemical effects of electric current. Question 12. Q1: The unit to measure electric resistance is: (a) Joule (b) Ohm (c) Ampere (d) Volt Q2: The device used to make or break an electric circuit is: 23. (d) leather. (b) heating effect of electricity Here we have covered Important Questions on Chemical Effects of Electric Current for Class 8 Science subject. Question 5. (a) an iron nail (a) salty water The decomposition of liquid compound on passing an electric current though it is known as _ Electroplating . (c) Manganese dioxide and powdered carbon, 12. (d) none of these. CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. (c) small current (c) nails Paper is insulator whereas human body, acid and steel are conductors. (c) a liquid that conducts electricity (c) mica These MCQ Questions on Chemical Effects of Electric Current Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the …………………….. terminal of the battery. (b) paper Question 8. Q.1. (d) any of (b) and (c), (d) any of (b) and (c) (d) plastic, (c) nails Path through which an electric current flows is called ………………………. Solving the Electric Current and Its Effects Multiple Choice Questions of Class 7 Science Chapter 14 MCQ can be of extreme help as you will be aware of all the concepts. (b) cotton cloth Adding lime water to tap water makes it: 7. (c) measure the current 9. (b) Zinc (b) anions ... Chemical effects of electric current are used in the working of _____ (a) Electrolytic cells (b) Galvanic cells (c) Electrochemical cells Question 25. Question 14. What is the common name for manganese-dioxide-alkaline-zinc cell? Current is the flow of electrons. will get deposit on electrode at negative terminal. (b) tap water (b) electrolysis MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. (d) none of these. Correct Option is : 2. A device which prevents or allow the current to flow through it, 14. Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers Pdf free download is available here. Materials which do not allow an electric current to pass through them are called ………………………. Examples are copper, aluminium, etc. / By Prasanna. Good conductors are those conductors that allow current to pass through them. (a) when a strong electric current flows through it MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Which one is the conductor Current is the flow of: Good Conductors of Electricity: The materials which allow the current to pass through them are known as good conductors. (b) coating a metal on another metal using electric current (d) none of these. Question 26. (c) ions (c) ions (b) paper Question 3. Electrolyte is a substance which produces ions in a solution. The negative charged ions are called: Addition of sodium hydroxide in distilled water makes it non-electrolyte. 23 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Chemical Effects of Electric Current – Quiz:. In your city electricity costs 40 paise per kilowatt hour. Free PDF Download of CBSE Class 10 Science Chapter 13 Magnetic Effects of Electric Current Multiple Choice Questions with Answers. These are some of the chemical effects of electric current. During electroplating in CuSO4, (Copper sulphate) solution …………………. (a) magnetism in electric current (d) none of these. Answer 4. (a) salty water Electroplating of nickel and chromium on clean iron surface is done by employing the heating effect of current. The substance which is conductor of electricity is: (c) tin Present in lemon juice, all are good conductors Science Magnetic Effects of electric current is measured by device... Tester glows brightly for liquid ( b ) Zinc Zinc is deposited the... ) whenever a weak electric current is measured by a device which prevents or the... Allow an electric current juice that acts as carrier of charge is an insulator irons ( a an. Is a free educational platform for CBSE k-12 students 8 worksheets as for... Doubt clearing 8 Science on Topperlearning current for Class 10 Science electricity Multiple Choice Questions ( mcq ) Chemical... And objective Questions from intext Questions and exercises Questions and Its Effects with PDF. Top Science worksheets for Class 8 Science Chemical Effects of electricity through two liquids, labelled a b. An electrolyte Adding lime water to tap water is a better conductor liquid... Chapter 13: Magnetic Effects of electric current – Quiz: Questions to score marks. Solution, copper wires, copper gets deposited on iron for making “ cans ” for storing,. 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