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8th CBSE
IMPORTANT
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Adding acids, bases or salts to a solvent like distilled water makes it

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Important Questions on Chemical Effects of Electric current

EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q B
What do we call the materials which allow the current to pass through them?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q B
Name a device that produces electricity by chemical reaction.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q B
Which terminal is represented by the longer lead of LED?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q B
Name the technique used for gold coating in artificial jewellery.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q C
What is an LED? Why it is better to use an LED than a torch bulb in electric circuits?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q C
Describe three types of effects produced by an electric current.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q C
Why are we advised not to touch electrical appliances with wet hands?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q C
What do we need to add in distilled water in order to make it conducting?