Question

3. Write “True” or “False” against each of the
following statements.
(a) Chemistry plays an important
role in our national economy.
(b) Antibiotics are used as
preservatives.
(c) D.D.T. is an important
fertiliser.
(d) Gunpowder is an insecticide.
(e) Enzymes secreted by our
body are chemicals.
.​

Answer 1

Answer:

1. True
2. False
3. False
4. False
5. True

Answer 2

Answer:

a)true b)true c) false d)false e)true please check it ......