set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

LPG used as domestic fuel chiefly contains

a) Ethylene

b) Methane

c) Propane

d) None of these

Question : 2

Which of the following fossil fuels is the cleanest fuel?

a) Natural gas

b) Coal

c) Petrol

d) Diesel

Question : 3

Which one of the following is used in food preservation?

a) Acetylene

b) Benzoic Acid

c) Sodium Carbonate

d) Sodium Chloride

Question : 4

Consider the following statements.

1. Liquefied Natural Gas (LNG) is liquefied under extremely cold temperatures and high pressure to facilitate storage or transportation in specially designed vessels.
2. First LNG terminal in India was built in Hassan.
3. Natural Gas Matters (NGM) are separated from LPG and these include ethane, propane, butane and natural gasoline.

a) 2 and 3

b) Only 1

c) 1 and 3

d) 1, 2 and 3

Question : 5

Milk is an example of

a) A foam

b) An emulsion

c) A gel

d) A suspension

Question : 6

Which of the following is the procedure for a biogas plant?

a) Hydrogenation

b) Fermentation

c) Reduction

d) Polymerization