Question

Write “True” or “False” against each of the following statements. 

(a) Chemistry plays an important role in national economy

(b) Antibiotics are used as preservatives 

(c) D.D.T. is an important fertiliser

(d) Gunpowder is an ……ticide

(e) Enzymes secreted by our body are chemicals 

Answer 1

(a) True

(b) False

(c) False

(d) False

(e) True