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

 
 
 
 

2. Flow of electron is called

 
 
 
 

3. Polythene is

 
 
 
 

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

 
 
 
 

5. Waste from an electroplating factory must be disposed off

 
 
 
 

6. Which of the following does not conduct electricity?

 
 
 
 

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

 
 
 
 

8. Copper is

 
 
 
 

9. Electroplating prevents

 
 
 
 

10. Which is not a non-electrolyte?

 
 
 
 

11. Pure or distilled water is a

 
 
 
 

12. Iron objects can be protected by electroplating them with

 
 
 
 

13. Electroplating is based on

 
 
 
 

14. An electric current can produce

 
 
 
 

15. An electrolyte is

 
 
 
 

16. Which of the following is a good conductor?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. An electric lamp glows due to

 
 
 
 

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

 
 
 
 

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