Question

3.State two types of physical changes that may take place when a substance is
heated.
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Answer 1

Explanation:

1. the movement of its particles increases.

2. bonds between particles break when a substance melts or evaporates, or sublimes to form a gas from a solid.

Answer 2

Answer:

1:) change in state (eg. ice becomes water etc. )

2:) change in shape (eg. cooking etc.)

Explanation:

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