Question

Write 'true' or 'false' for the following statements :
1. Economic strength of a country depends upon the quality of its chemists.
2. Chemistry has solved most of the problems facing mankind.
3. Fertilisers increase food production.
4. Plastic is a good substitute of wood.
5. Diodes are used in improved fuels.
6. CFC is used in refrigerators as a coolant.
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Answer 1

ANSWER:-

1) NO

2) YES

3) NO

4) NO

5) YES

6) YES

Answer 2

Answer:

The correct answer-

1. false

2. true

3. true

4.true

5. false

6. true