Chemistry Multiple Choice Questions Set – 19

Question 1.

Spirit in contact with body gives cool sensation because it is :

A. Liquid
B. Transparent
C. Highly volatile
D. A good conductor

Ans: C. Highly volatile

Question 2.

Which of the following is a renewable source of energy ?

A. Coal
B. Geothermal power
C. Natural gas
D. Uranium

Ans: B. Geothermal power

Question 3.

For generation of biogas, the materials commonly used are

A. Animal wastes
B. Crop residues
C. Aquatic plants
D. Forest residues

Ans: A. Animal wastes

Question 4.

Which one is a sublime substance?

A. Table salt
B. Sugar
C. Iodine
D. Potassium Iodide

Ans: C. Iodine

Question 5.

Gobar gas contains mainly :

A. Methane
B. Ethylene
C. Propylene
D. Acetylene

Ans: A. Methane

Question 6.

The main constituent of natural gas is

A. Methane
B. Ethane
C. Butane
D. Propane

Ans: A. Methane

Question 7.

The biogas used for cooking is a mixture of which of the following?

A. Carbon dioxide and oxygen
B. Isobutane and propane
C. Methane and carbon monoxide
D. Methane and carbon dioxide

Ans: D. Methane and carbon dioxide

Question 8.

Gobar gas mainly contains

A. Carbon dioxide
B. Carbon monoxide
C. Hydrogen sulphide
D. Methane

Ans: D. Methane

Question 9.

Which of the following is biodegradable ?

A. Paper
B. D.D.T.
C. Aluminium
D. Plastic

Ans: A. Paper

Question 10.

The major constituent of gobar gas is

A. Carbon dioxide
B. Methane
C. Butane
D. Isobutane

Ans: B. Methane

Question 11.

The main constituent of biogas is

A. Oxygen
B. Methane
C. Acetic acid
D. Methyl alcohol

Ans: B. Methane

Question 12.

Which of the following is a commercial source of energy?

A. Agricultural waste
B. Dried dung
C. Sun
D. Natural gas

Ans: D. Natural gas

Question 13.

__ is a by product of sewage treatment and can be decomposed to produce biogas

A. Sewage
B. Sludge
C. Sewer
D. Scum

Ans: B. Sludge

Question 14.

An example of replenishable energy source is–

A. Coal
B. Petroleum
C. Lignite
D. Biomass

Ans: D. Biomass

Question 15.

Which of the following is not a commercial source of energy?

A. Coal
B. Petroleum
C. Natural Gas
D. Firewood

Ans: D. Firewood

Chemistry GK MCQs all set

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