Question

a C. State True (T) or False (F) against the following sentences : 1. Every change can be classified as either physical or chemical. 2. Tearing of paper is irreversible. It is, therefore a chemical change. 3. Some changes can occur even when the interacted substances are not i 4. Metals expand on heating. S. Burning of candle wax is a reversible change. 6. Cooking is an irreversible change. 7. Solids contract the least while gases contract the most. Match the items of Column A with those of Column B :​

Answer 1

Answer:

1. Every change can be classified as either physical or chemical. TRUE

2. Tearing of paper is irreversible. It is, therefore a chemical change. FALSE

4. Metals expand on heating. TRUE

5. Burning of candle wax is a reversible change.TRUE

6. Cooking is an irreversible change. TRUE

7. Solids contract the least while gases contract the most. FALSE

Explanation:

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