Question

when you heat a substance, several changes can be observed. talk about three of these changes.

Answer 1

1. The state of the given substance is changed because the molecular attraction of any substance become weak when provided a specific heat
2. The colour of the substance is changed such as provide heat to the ferrous sulphate (green in colour) change its colour to white
3. New substances is formed some time such as heat magnesium in the presence of oxygen than a white powder is formed called as magnesium oxide

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Answer 2

Answer:

increase in size

change in state

it causes chemical changes

Explanation:

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