Question

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

Answer 1

Answer:

The two changes that may take place are :

Explanation:

The physical change is a change in which no new substance is formed.

Thus,

Two changes that may take place when a substance is heated are :

1 - > Change of ice to liquid and liquid to steam while heating

When we heat ice cubes they are converted into liquid and then into steam on further heating.

2- > Heating of iron to form sheets

When we heat iron, it looses its strength and can be made into sheets

Answer 2

Answer:

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Explanation: