Question

Write 'T' for true and 'F' for false for the following statements.
1. A physical change is irreversible.
2. A chemical change is reversible.
3. The mass of a substance undergoing a physical change is not altered.
4. Heat is absorbed when glucose is dissolved in water.
5. Heat is evolved when concentrated hydrochloric acid is poured into water.
6. A mixture of iron and sulphur undergoes a chemical change when heated​

Answer 1

Answer:

1.F

2. F

3.T

4.T

5.T

6.T

Explanation:

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