1.2 Changes Of State (GCSE Chemistry)

The following is a GCSE Chemistry test covering '1.2 Changes Of State'

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Question 1

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The changing of gaseous water into ice crystals without becoming liquid first is called:

Which state of matter expands the most when heated?

Which process involves heat energy being absorbed to turn ice into water?

When a substance directly changes from solid to gas, what process is this?

When solid carbon dioxide (`dry ice`) turns directly to gas, it illustrates:

Heat energy released when a liquid becomes solid is called:

Which of these correctly describes a liquid changing to a gas?

Which is known as the reverse process of melting?

Water freezing inside a freezer illustrates an example of:

Liquid nitrogen turning to gas at room temperature is an example of:

During evaporation, water particles:

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