Question

22.State whether true or false:
1. LPG is liquefied petroleum gas.
2. Photosynthesis is carried only by Green plants.
3. Nitrogen is the inactive component present in plants.
4. Respiration in plants occurs only in the day.
5. Breathing by human being is a physical change.
6. Cutting of fruits is a physical change.
7. Soluble solid substances can easily be separated from their solvents by distillation.
8. Camphor sublimate on heating.
9. Heterogeneous mixtures have uniform composition.
10. In a mixture, no chemical reaction takes place​

Answer 1

Answer:

1. True

2. True

3. True

4. False

5. False

6. True

7. False

8. False

9. True

10. False

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Answer 2

Answer:

1)True

2)True

3)True

4)False

5)False

6)True

7)False

8)True

9)True

10)false

Explanation:

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