| 91. | Trinitrobenzene (TNB) is a – |
A. disinfectant | |
B. herbicide | |
C. bactericidal | |
D. Explosive |
| 92. | Trinitrotoluene (TNT) is a – |
A. herbicide | |
B. disinfectant | |
C. Explosive | |
D. bactericidal |
| 93. | Mirben oil is known as – |
A. nitrobenzene | |
B. aniline | |
C. phenol | |
D. tollin |
| 94. | widely used in rubber industry |
A. Benzene | |
B. nitrobenzene | |
C. aniline | |
D. phenol |
| 95. | Full form of DDT is |
A. dichloro diphenyl trichloro methane | |
B. dichloro diphenyl trichloro ethane | |
C. dichloro dibenzyl trichloro ethane | |
D. dichloro dibenzyl trichloro methane |
| 96. | The chemical name of tear gas is |
A. acetophenone | |
B. benzophenone | |
C. alpha-bromo acetophenone | |
D. alpha-chloro acetophenone |
| 97. | Used to make medicine |
A. benzoic acid | |
B. picric acid | |
C. oxalic acid | |
D. citric acid |
| 98. | Tomato chutney is added to it to keep it fresh for longer. |
A. sodium tartrate | |
B. Sodium chloride | |
C. sodium bicarbonate | |
D. sodium benzoate |
| 99. | What is used to preserve fruit juice |
A. acetic acid | |
B. formic acid | |
C. sulfuric acid | |
D. sodiumbenzoic acid |
| 100. | Which of the following substances is used for the preservation of food items? |
A. citric acid | |
B. potassium chloride | |
C. sodium benzoate | |
D. Sodium chloride |