Practice MCQ Questions and answers on Chemistry-GK Page-7 section-3

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12

61.
The constituents of automobile exhaust that can cause cancer is/are :

A. Oxides of nitrogen

B. Carbon monoxide

C. Polycyclic hydrocarbons

D. Lead

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62.
The acid rain destroys vegetations because it contains

A. Nitric acid

B. Ozone

C. Carbon monoxide

D. Sulphuric acid

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63.
Of the following, which one pollutes the air of a big city ?

A. Copper

B. Chromium

C. Lead

D. Cadmium

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64.
Of the following which one pollutes the air of a big city ?

A. Copper

B. Chromium

C. Lead

D. Calcium

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65.
Which of the following is usually not an air-pollutant?

A. Hydrocarbons

B. Sulphur dioxide

C. Carbon dioxide

D. Nitrous oxide

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66.
Which of the following pollutants is main product of automobile exhaust ?

A. CO

B. CO₂

C. NO

D. Hydrocarbons

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67.
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

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68.
The depletion in Ozone layer is caused by ________ .

A. Nitrous oxide

B. Carbon dioxide

C. Chlorofluorocarbons

D. Methane

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69.
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

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70.
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

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Practice MCQ Questions and answers on Chemistry-GK

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

Answer & Solution

62. The acid rain destroys vegetations because it contains

Answer & Solution

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

Answer & Solution

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

Answer & Solution

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

Answer & Solution

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

Answer & Solution

67. The smog is essentially caused by the presence of

Answer & Solution

68. The depletion in Ozone layer is caused by ________ .

Answer & Solution

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

Answer & Solution

70. Atoms of different elements have

Answer & Solution

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61.
The constituents of automobile exhaust that can cause cancer is/are :

62.
The acid rain destroys vegetations because it contains

63.
Of the following, which one pollutes the air of a big city ?

64.
Of the following which one pollutes the air of a big city ?

65.
Which of the following is usually not an air-pollutant?

66.
Which of the following pollutants is main product of automobile exhaust ?

67.
The smog is essentially caused by the presence of

68.
The depletion in Ozone layer is caused by ________ .

69.
Which of the following is the maximum number of electrons that can be present in M-shell?

70.
Atoms of different elements have