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CHEMISTRY

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

Oxides of nitrogen
Polycyclic hydrocarbons
Lead
Carbon monoxide

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Chemistry
The acid rain destroys vegetations because it contains

Sulphuric acid
Ozone
Nitric acid
Carbon monoxide

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

Chromium
Cadmium
Copper
Lead

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

Sulphur dioxide
Hydrocarbons
Carbon dioxide
Nitrous oxide

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

CO
Hydrocarbons
CO2
NO

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