Question

Latent heat of fusion is the amount of heat energy required to change:

• A. 1 kg of solid into its liquid state at its melting point
• B. 1 kg of liquid into its solid state at its freezing point
• C. kg of liquid into its gaseous state at its boiling point
• D. 1 kg of solid into its gaseous state at its boiling point

Answer 1

The correct option is A

1 kg of solid into its liquid state at its melting point

Latent heat of fusion is the amount of heat energy required to change 1 kg of solid into liquid state without any change in temperature, at its melting point.