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. Iron objects can be protected by electroplating them with

 
 
 
 

2. Which of the following is a good conductor?

 
 
 
 

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

 
 
 
 

4. Pure or distilled water is a

 
 
 
 

5. Polythene is

 
 
 
 

6. An electric current can produce

 
 
 
 

7. Copper is

 
 
 
 

8. Waste from an electroplating factory must be disposed off

 
 
 
 

9. Electroplating prevents

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Which is not a non-electrolyte?

 
 
 
 

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

 
 
 
 

15. An electrolyte is

 
 
 
 

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

 
 
 
 

17. Flow of electron is called

 
 
 
 

18. Which of the following does not conduct electricity?

 
 
 
 

19. Electroplating is based on

 
 
 
 

20. An electric lamp glows due to

 
 
 
 

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