Question

state two types of of physical change that may take place when a substance is heated​

Answer 1

When a substance is heated, its internal energy increases: the movement of its particles increases. bonds between particles break when a substance melts or evaporates, or sublimes to form a gas from a solid.

Answer 2

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When a substance is heated, its internal energy increases:

• the movement of its particles increases.
• bonds between particles break when a substance melts or evaporates, or sublimes to form a gas from a solid.