Question

State two types of physical changes that may take place when a substance is heated up​

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.

With reference to the above it can be seen that the reaction is chemical reaction.

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Answer 2

Answer:

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.

Explanation:

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