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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

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
Fill in the blanks: Electroplating is used to give more ___________ to the cheap objects.
Fill in the blanks: LED glows even when a __________ electric current passes through it.
State True or False: The chemical effect of electric current is used in the purification of salts.
1. true 2. false
State True or False: Adding sugar makes pure water conducting.
1. true 2. false
State True or False: Distilled water is poor conductor of electricity.
1. true 2. false
State True or False: Electrolysis is a chemical change.
1. true 2. false
Which form of energy conversion takes place in electric cell?
Which substance is produced by the electrolysis of an aqueous solution of sodium chloride?
1. Sodium carbonate 2. Sodium bicarbonate 3. Sodium hydrogen carbonate 4. Sodium hydroxide

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