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Subjects
Science CBSE
Class 7
Physical and chemical changes
Types of changes in chemistry

3. Choose the correct word

Exercise condition:

1.5 m.

Look and choose the correct answer under the topic physical and chemical changes.

1.

rusting
chemical change
physical change
crystallisation

2.

crushing paper
prevention of iron
baking
chemical change

3.

curd
Burning
evaporation
spoiled food

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