Chemistry Multiple Choice Questions Set – 14

Question 1.

A powerful eye irritant present in smog is

A. Nitric oxide
B. Sulphur dioxide
C. Peroxyacetyl nitrate
D. Carbon dioxide

C. Peroxyacetyl nitrate


Question 2.

Main pollutant present in automobile exhaust is

A. CO
B. CO2
C. NO
D. Hydrocarbons

A. CO


Question 3.

The constituents of automobile exhaust that can cause cancer is/are :

A. Oxides of nitrogen
B. Carbon monoxide
C. Polycyclic hydrocarbons
D. Lead

D. Lead


Question 4.

Which of the following pollutants is main product of automobile exhaust ?

A. CO
B. CO2
C. NO
D. Hydrocarbons

C. NO


Question 5.

Which of the following is not a natural source of air pollution ?

A. Volcanic eruptions and lightening discharge
B. Biological decay of vegetable matter
C. Photochemical oxidation of organic number
D. None of the above

D. None of the above


Question 6.

The liquid waste from kitchens and baths, of residences is known as :

A. Domestic sewage
B. Storm water
C. Sullage
D. Refuse

C. Sullage


Question 7.

The acid rain destroys vegetations because it contains

A. Nitric acid
B. Ozone
C. Carbon monoxide
D. Sulphuric acid

D. Sulphuric acid


Question 8.

The smog is essentially caused by the presence of

A. O3 and N2
B. O2 and N2
C. Oxides of N and S
D. O2 and O3

C. Oxides of N and S


Question 9.

CNG used in automobiles to check pollution, mainly consists of

A. CH4
B. CO2
C. N2
D. H2

A. CH4


Question 10.

Most poisonous pollutant in water is

A. Zinc
B. Phosphate
C. Arsenic
D. Detergent

C. Arsenic


Question 11.

Of the following, which one pollutes the air of a big city ?

A. Copper
B. Chromium
C. Lead
D. Cadmium

C. Lead


Question 12.

The depletion in Ozone layer is caused by __ .
A. Nitrous oxide
B. Carbon dioxide
C.Chlorofluorocarbons
D. Methane

C.Chlorofluorocarbons


Question 13.

What are the major pollutants of cigarette smoke?

A. Carbon monoxide and dioxin
B. Carbon monoxide and nicotine
C. Carbon monoxide and benzene
D. Dioxin and benzene

B. Carbon monoxide and nicotine


Question 14.

Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.
(A) Arsenic
(B) Sorbitol
(C) Fluoride
(D) Formaldehyde
(E) Uranium

A. B, D and E
B. A, B, C, D and E
C. A, C and E
D. A and C

C. A, C and E


Question 15.

Of the following which one pollutes the air of a big city ?

A. Copper
B. Chromium
C. Lead
D. Calcium

C. Lead


Question 16.

Which of the following is the maximum number of electrons that can be present in M-shell?

A. 2
B. 8
C. 18
D. 32

C. 18


Question 17.

Which of the following metals is not a pollutant ?

A. Mercury
B. Arsenic
C. Lead
D. Aluminium

D. Aluminium


Question 18.

Smog is

A. Nothing but black smoke
B. A combination of smoke and fog
C. A liquid particle resulting from vapour condensation
D. A solid particle, e.g., fllyash

B. A combination of smoke and fog


Question 19.

Which of the following is usually not an air-pollutant?

A. Hydrocarbons
B. Sulphur dioxide
C. Carbon dioxide
D. Nitrous oxide

D. Nitrous oxide


Question 20.

Atoms of different elements have

A. Same atomic number and same electronic configuration
B. Different atomic number and same eletronic configu-ration
C. Different atomic number and different number of valence electrons
D. Same number of electrons and neutrons

C. Different atomic number and different number of valence electrons


Chemistry GK MCQs all set


We hope the given GK MCQ Questions for Chemistry GK PDF Free Download will definitely yield fruitful results. If you have any queries related to Chemistry GK Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.

Leave a Comment