What is electroplating?

Important Questions on Electrolysis and Chemical Reaction

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 8

What do you mean by electrorefining of metal?

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 9

What do you understand by "electrolytic dissociation"?

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 10

State three differences between $\mathrm{Na}$ atom and ${\mathrm{Na}}^{+}$ ion.

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 1

Why $\mathrm{NaCl}$ is a conductor of electricity in the molten state?

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 2

Chloroform is a liquid but it is non-electrolyte. Why?

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 3

Hydrogen chloride is a non-conductor of electricity but hydrochloric acid conducts electricity. Why?

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 4

Differentiate between electrolyte and non-electrolyte.

EASY

10th West Bengal Board

IMPORTANT

PHYSICAL SCIENCE & ENVIRONMENT CLASS 10>Chapter 10 - Electrolysis and Chemical Reaction>EXERCISE>Q 5

State the reactions involved at the cathode and anode when acidified copper sulphate solution is electrolysed using copper electrodes?