Question

In which of these following processes, change in the states of matter involves absorption of energy?
A. Boiling
B. Sublimation
C. Condensation
D. Melting

• A. A only
• B. A and B only
• C. A, B and C only
• D. A, B and D

Answer 1

Answer: (D)

A, B and D

There is the absorption of heat energy in the processes of sublimation, melting and boiling. Whereas, in condensation, there is a release of heat energy.