Choose the best: Electrochemistry — task. Science State Board, Class 9.

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Select the correct answers:

1. Electrochemistry definition.

Relation between rate of reduction and oxidation
Relation between electrical energy and physical change
Relation between electrical energy and chemical change
Relation between electrical energy and electrical change

2. Define electrolytic cell.

A device that converts chemical energy into physical change
A device that converts electrical energy into chemical energy
A device that converts chemical energy into ionic energy
A device that converts chemical energy into physical energy

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