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

A only

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A and B only

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A, B and C only

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A, B and D

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Solution

The correct option is D
A, B and D

There will be an absorption of heat energy in the processes, sublimation, melting and boiling whereas in condensation heat energy is released (temperature reduced) so kinetic energy of molecules reduces and gas changes to liquid.

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