Question

TRUE OR FALSE TYPE QUESTIONS:
1. Expansion of iron rod on heating is a chemical change.
2. Wax undergoes both physical and chemical changes when a candle is
burnt.
3. Boiling of an egg is a reversible change.
4. During a chemical change, one or more new substances are formed.
5. Breaking of a glass beaker is chemical change.
6. Physical changes are mostly reversible.​

Answer 1

Explanation:

1. false

2.true

3.false

4.true

5.false

6.true

Answer 2

Answer:

1. True

2. False

3. False

4. True

5. False

6. True