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
A only
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B
A and B only
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C
A, B and C only
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D
A, B and D
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Solution
The correct option is D A, B and D There is absorption of heat energy in the processes, sublimation, melting and boiling whereas condensation releases heat energy.