hydrocarbon, alcohol, polymer, organic acid and explosive substance - Category wise Question and Answer Practice Test with Solutions

Question : 16 [PSC (Pre) 2019]

Which one of the following is used as an explosive?

a) Phosphorus Trichloride

b) Graphite

c) Nitroglycerine

d) Mercuric Oxide

Question : 17 [PSC (Pre) 2019]

Which of the following is correctly matched?

1. Biogas – Insecticide
2. Electro – Heart cardiography disorder
3. D.D.T. – Cow dung
4. Nicotine – Tobacco

a) 2 and 3

b) 1, 2 and 4

c) 2, 3 and 4

d) 2 and 4

Question : 18 [UPPCS (Mains) 2010]

Which one of the following catalysts is used for hydrogenation of vegetable oils?

a) Platinum

b) Zinc dust

c) Nickel

d) Copper

Question : 19 [UPRO/ARO (Pre) 2014]

Fruit ripening is promoted by which of the following?

a) Nitrogen

b) Carbon dioxide

c) Sulphur dioxide

d) Ethylene

Question : 20 [UPPCS (Mains) 2016]

Which one of the following pairs is incorrectly matched?

a) Freon - Refrigerant

b) Pyrene - Fire extinguisher

c) Sulphur - Acid rain Dioxide

d) Fullerene - Fluorine containing polymer