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CHEMISTRY

Chemistry
Which of the following in automobile exhaust can cause cancer?

Carbon monoxide
Oxides of nitrogen
Polyclinic hydrocarbons
Lead

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Chemistry
White lung cancer' is caused by

Textiles
Silica
Asbestos
Paper

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Chemistry
Which of the following is a man-made source of air pollution ?

Automobile exhaust
All of these
Bacterial action in soil and swamp areas
Forest fire

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Chemistry
Oxide of sulphur present in the atmosphere are washed down by rains to cause :

Industrial smog formation
Eutrophication in lakes
Lowering of pH of soil
Depletion of fossil fuel reserves

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Chemistry
Supersonic jet causes pollution by thinning of

SO2 layer
O3 layer
CO2 layer
O 2 layer

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