11.
Which of the following statements are correct about chloroform?
a. Liquid fuel
b. Anaesthetic in nature
c. Produces phosgene
d. Fire extinguisher

13.
Tear gas used by the police to disperse the mob contains

14.
Which of the following is also used as a Bio fertilizer?

15.
The advantage of detergents over soaps is

16.
The tip of the match-stick contains

17.
Which of the following is a natural dye ?

18.
Poison used for killing rats is

19.
The chemical used in developing photographic films is

20.
Which one of the following is used as an anti-freeze for the automobile engines ?