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8th CBSE
IMPORTANT
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Which of the following is the best conductor of electricity?

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Important Questions on Chemical Effects of Electric Current

EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 4
Adding acids, bases or salts to a solvent like distilled water makes it-
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 5
In the copper sulphate solution used for electroplating, which metal will be coated on an object connected to the negative terminal of the battery? 
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 1
Name a material which does not allow electric current to pass through it.
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8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 2
Name a material that is a good conductor of electricity (copper/rubber).
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 3
Name a substance that is capable of conducting electricity in liquid form (salt water/pure water).
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 4
Name positively charged ions.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 5
Name negatively charged ions. 
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 1
Describe three types of effects produced by an electric current.