Free CBSE Class 8 Science Chemical effects of Electric Current Worksheets

Download free printable Chemical effects of Electric Current Worksheets to practice. With thousands of questions available, you can generate as many Chemical effects of Electric Current Worksheets as you want.

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Sample CBSE Class 8 Science Chemical effects of Electric Current Worksheet Questions

The conducting solutions used in _______________ process are polluting wastes.

What happens when a compass needle is brought near a current carrying wire?

Fill in the blanks: The bulb glows when electric current passes through it because of ___________ effect of electric current.

Choose the correct option: During electroplating, the object to be electroplated is made _________.

1. cathode 2. anode 3. Electrolyte 4. None of these

State True or False: Adding lemon in water,makes it a good conducter of electricity.

1. true 2. false

Sometimes we see that the liquid is conducting but the bulb may not glow. Why?

The chemical reaction brought about by an electric current may produce changes in the colour of the solutions.

1. TRJUE 2. false

Choose the correct option: Electrolytes conduct electricity due to the movement of _________.

1. electrodes 2. atoms 3. ions 4. None of these

Choose the correct option: An electrolyte is ___________.

1. a metal 2. a solution 3. a liquid that conducts current 4. None of these

10.

Fill in the blanks: Electroplating is used to give more ___________ to the cheap objects.

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