The process of changing a substance from a solid to a liquid state is called: a) Melting b) Freezing c) Evaporation d) Condensation
Melting
The temperature at which a substance changes from a liquid to a gas is called: a) Boiling point b) Melting point c) Freezing point d) Condensation point
a) Boiling point
Which of the following is not a physical change? a) Boiling of water b) Rusting of iron c) Melting of ice d) Dissolving sugar in water
b) Rusting of iron
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