Which of the following processes involve absorption of energy?
(i) Boiling
(ii) Sublimation
(iii) Condensation

Only (i) and (ii)

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Only (ii) and (iii)

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Only (i) and (iii)

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(i), (ii) and (iii)

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Solution

The correct option is A Only (i) and (ii)
Boiling involves the change of state from liquid to a gas by absorption of energy,
Sublimation involve the change of state from solid to gas by absorption, in both process energy is absorbed by the system.

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Which of the following processes involve absorption of energy?(i)Boiling(ii)Sublimation(iii)Condensation

The correct option is A Only (i) and (ii)Boiling involves the change of state from liquid to a gas by absorption of energy,Sublimation involve the change of state from solid to gas by absorption, in both process energy is absorbed by the system.

Which of the following processes involve absorption of energy?
(i) Boiling
(ii) Sublimation
(iii) Condensation

The correct option is A Only (i) and (ii)
Boiling involves the change of state from liquid to a gas by absorption of energy,
Sublimation involve the change of state from solid to gas by absorption, in both process energy is absorbed by the system.