MCQ Questions of Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers

Free PDF Download of CBSE Class 8 Science Chapter 14 Chemical Effects of Electric Current Multiple Choice Questions with Answers.Based on Latest Exam Pattern. Students can solve NCERT Class 8 Science Chapter 14 Chemical Effects of Electric Current Multiple Choice Questions with Answers to know their preparation level.

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Chemical Effects of Electric Current Class 8 MCQs Questions with Answers

MCQ Questions for Class 8 Science Chapter 14 Chemical Effects of Electric Current with Answers

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1. An electrolyte is

 
 
 
 

2. In LEDs, the longer lead (wire) is always connected to the _______ terminal

 
 
 
 

3. Polythene is

 
 
 
 

4. Electroplating is based on

 
 
 
 

5. Electroplating prevents

 
 
 
 

6. Waste from an electroplating factory must be disposed off

 
 
 
 

7. Which of the following does not conduct electricity?

 
 
 
 

8. Which of the following is not used for electroplating metal articles?

 
 
 
 

9. Tap water is a good conductor of electricity while distilled water is not because

 
 
 
 

10. Iron objects can be protected by electroplating them with

 
 
 
 

11. Which is not a non-electrolyte?

 
 
 
 

12. An electric current can produce

 
 
 
 

13. Copper is

 
 
 
 

14. Which of the following is a good conductor?

 
 
 
 

15. Pure or distilled water is a

 
 
 
 

16. Which of the following is a bad conductor of electricity?

 
 
 
 

17. When electrodes are immersed in water and electricity passed, the bubbles formed on the positive terminal is actually _______ gas.

 
 
 
 

18. Flow of electron is called

 
 
 
 

19. When electrodes are immersed in water and electricity passed, the bubbles formed on the negative terminal is actually _______ gas.

 
 
 
 

20. An electric lamp glows due to

 
 
 
 

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