Standard Science Primary 5 Cycles

Which of the following processes involves a change of state from a liquid to a gas and requires heat gain?

A Evaporation
B Melting
C Condensation
D Freezing
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Worked Solution

Step 1: Identify the starting state (Liquid) and ending state (Gas). Step 2: Liquid to gas is evaporation. Step 3: This process requires the liquid to gain heat from the surroundings.

Correct answer: Evaporation

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