Question 2. (d) none of these. (a) Chromium (b) maintain a potential difference current Question 14. (b) cotton cloth (d) none of these. (c) ions Which of the following is an insulator? Answer 4. (c) magnetism Good conductors are those conductors that allow current to pass through them. (b) a solution The …………………….. of a bulb glows when current passes through it. Give an example of chemical effect of the electric current. Class 10 Science MCQs Chapter 12 Electricity. Flow of Electrons in the Matter. Question 7. 7. The negative charged ions are called: 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. Electroplating of nickel and chromium on clean iron surface is done by employing the heating effect of current. A device which prevents or allow the current to flow through it, 14. (c) mica Addition of caustic soda in distilled water makes it an ………………………, Question 6. In class 8 science chapter 14 notes, various good and bad conductors of electricity are discussed. Question 14. Electroplating is a process which is chemical effect of electricity. Question 5. (a) magnetic effect of electricity Answer 2. The bulb glows when the electric current passes through it due to. Students can solve NCERT Class 10 Science Electricity Multiple Choice Questions with Answers to know their preparation level. Cations are positive charged ions. Question 27. (c) lin 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. 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 Question 20. 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. Electroplating is a process which is: Question 4: Chemical effect of electric current is also known by which term? (b) non-electrolyte Which of the following are the characteristics of an electrolyte? 23 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Chemical Effects of Electric Current – Quiz:. (c) both liquids are equally conducting 14.4 – Electromagnet. Plastics are poor conductor of electricity. The passage of an electric current through a solution causes …………………….. effect. Magnetic compass connected In a circuit is used to check: Electroplating is heating effect of electric current. The substance which is conductor of electricity is: (c) acid Students can solve these Chemical Effects of Electric Current Class 8 MCQs Questions with Answers and assess their … Handles of doors are coated with …………………….. to give them lustre. Question 18. (a) brass Cathode is the electrode connected to the negative terminal of the battery. (a) a metal (d) none of these. These are some of the chemical effects of electric current. Electrolyte is a substance which produces ions in a solution. (a) electrons (c) no change occur 23. Kerosene is non-electrolyte. 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. When a switch is in OFF position, (i) circuit starting from positive terminal of the cell stops at the … 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: (c) distilled water Question 6. Question 15. Question 16. 14.5 – Electric Bell. (a) slow electric current Question 6. (d) none of these. (c) Copper from CuSO4, solution (d) none of these. 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. (d) none of these. Electric current. Chemical Effects of Electric Current Class 8 MCQs Questions with Answers 1. (a) making plates LED glows: Question 26. Zinc is deposited on iron used in bridges and automobiles. (b) Sulphur / By Prasanna. Question 8. (b) paper 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. (c) electrode Answer: The process of depositing a layer of a desired metal on any other material by means of electrolysis is called electroplating. Nails (iron) is conductor of electricity, whereas member, paper and plastic are poor conductor, Question 19. (b) paper CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. On passing electric current through the copper sulphate solution, copper sulphate dissociates into copper and sulphate. Car parts, bath taps, kitchen gas burners, bicycle handlebars arc electroplated with: 18. Top If a switch has some sparking, we will switch it off with the help of: (a) common salt solution (d) none of these. In your city electricity costs 40 paise per kilowatt hour. (d) none of these. 16. Students can solve these Chemical Effects of Electric Current Class 8 MCQs Questions with Answers and assess their preparation level. (c) neutrons (d) none of these. will get deposit on electrode at negative terminal. Question 15. 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. Petrol is agood conductor of electricity. (b) cathode (b) zinc Which liquid do not conduct electricity? (a) cations Question 3. (b) slow current (a) rubber 9. (a) magnetism in electric current Distilled water is an insulator. Path through which an electric current flows is called ………………………. CBSE class 8 worksheets as PDF for free download Chemical Effects of Electric Current worksheets. A tester is used to check the conduction of electricity through two liquids, labelled A and B. The chemical effect of electric current and its application is also discussed. (a) electrolysis Which of the appliances at your home does not run on electric current? (d) conducting properties of liquid cannot be compared in this manner. (d) none of these. Leather is a good conductor of electricity. 1. Such materials are called bad conductors of electricity, e.g. The passage of an electric current through a solution causes. When electricity is passed through a liquid, it causes a …………………….. change. (d) none of these. (a) anode 14.2 – Heating Effect of Electric Current. (a) electrons Class 8 Chemical Effects of current Class 8 Science Home Page. (a) salty water Which of the following does not conduct electricity? When current flows through a conducting solution than the electrode connected to the negati’wc terminal of the battery is called : Anode is the electrode connected to the positive terminal of the battery. (b) whenever a weak electric current flows through it (d) none of these. Anode is the electrode which is connected to the negative terminal of the battery. (b) protons Question 9. Practice with these objective questions to score more in your terminal exams or unit tests. (d) none of these. Question 5. Question 2. (a) chromium Question 18. 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. State whether the following statements are True or False: Question 1. (b) small electric current Question 5. (c) tin Common salt solution and acidic solution conduct electricity. Question 24. (a) liquid A is a better conductor than liquid B Salty water, orange juice and lemon juice, all are good conductors. Which of the following is a good conductor of electricity: All MCQs are important for exams as well as school tests. (b) heating effect of electricity (c) copper and sulphate Most liquids that conduct electricity are solutions of …………………….. and ………………………. Question 10. Question 7. Question 25. Free PDF Download of CBSE Class 10 Science Chapter 13 Magnetic Effects of Electric Current Multiple Choice Questions with Answers. If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the …………………….. terminal of the battery. Science worksheets for class 8 CBSE includes worksheets on Chemical Effects of Electric Current as per NCERT syllabus. (a) Copper from positive electrode In electric circuit, current flows due to, 25. Multiple Choice Questions (MCQs) Which of the following is an insulator? (a) anode During electroplating in CuSO4 (copper sulphate) solution copper from CuSO4 solution will get deposited on electrode at negative terminal. Question 12. (c) making plates which use electricity Materials connected at …………………….. terminal gets electroplated with desired metals. Brass is the conductor, plastic, mica and leather are insulators. 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. Studyrankers is a free educational platform for cbse k-12 students. Check the below NCERT MCQ Questions for Class 7 Science Chapter 14 Electric Current and Its Effects with Answers Pdf free download. Chapter – 14 Chemical effect of electric current MCQ Test – 1 Science | Class – 8th. CBSE- Chemical Effects of Electrical Current-MCQ. Question 11. (c) tin (a) an electrolyte These MCQ's are extremely critical for all CBSE students to score better marks. Question 11. ... Chemical effects of electric current are used in the working of _____ (a) Electrolytic cells (b) Galvanic cells (c) Electrochemical cells (b) Zinc An electrolyte is a liquid that conducts electricity. Chemical Effects of Electric Current - Class 8 : Notes. Rubber is a good conductor of electricity. (a) chromium (a) convert chemical current into electric 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. 6. 20. (d) steel. (a) istilled water Question 12. Question 8. ► (d) It forms positive and negative ions. Question 9. (a) an iron nail Magnetic needle is used to find the effect of small electric current. (c) ions What is the common name for manganese-dioxide-alkaline-zinc cell? Conventional current flows from positive to negative terminal; electronic current lows from negative to positive terminal. Question 4. 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