What are electrolytes? Give examples.

Important Questions on Chemical Effects of Electric Current

EASY

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q B

What happens when a voltage is applied across electrodes placed in an electrolyte?

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q C

Explain electrolysis. What happens in the electrolysis of water?

HARD

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q C

Write the uses of electrolysis.

MEDIUM

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q C

What is electroplating? How are steel spoons plated with silver?

EASY

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q D

An electrode connected to the negative terminal of a battery is called the _____ .

EASY

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q D

In the electrolysis of water, hydrogen is formed at the _____. (Anode/Cathode)

EASY

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q D

In the electrolysis of potassium iodide, iodine is formed at the _____.

EASY

8th CBSE

IMPORTANT

Basic Science for Class 8>Chapter 11 - Chemical Effects of Electric Current>Exercises>Q D

A compound formed by ions is called an _____ compound.