Changes Around Us | Chapter 10 | 8th Science - Chemical changes | 8th Science : Chapter 10 : Changes Around Us

Chapter: 8th Science : Chapter 10 : Changes Around Us

Chemical changes

A chemical change is a permanent and irreversible change which produces a new substance.

Chemical changes

A chemical change is a permanent and irreversible change which produces a new substance. Chemical changes are otherwise called as chemical reactions, because one or more substances (reactants) undergo a reaction to form one or more new substances (products).

Reactant(s) → Product(s)

Activity 1

Adithya wants to classify the following changes as physical or chemical. Can you help him?

1. Melting of ice

2. Ripening of fruits

3. Rusting of iron

4. Spoilage of food

5. Burning of wood

6. Bursting crackers

7. Burning of camphor

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8th Science : Chapter 10 : Changes Around Us : Chemical changes | Changes Around Us | Chapter 10 | 8th Science