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Chemistry

Chemistry
The most common cause of pollution of air is

Carbon monoxide
Smoke
Sulphur dioxide
Carbon dioxide

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Chemistry
The least preferred technique in the disposal of Municipal Solid Waste is

Bricketting
Incineration
Composting
Land filling

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Chemistry
Which of the following is very reactive and kept in kerosene?

Sodium
Iodine
Bromine
Potassium

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Chemistry
Black lung disease occurs in people working in

Paint manufacturing industry
Electroplating industry
Organic solvents industry
Coal mines

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Chemistry
Which of the following is an iron ore ?

Bauxite
Lignite
Magnetite
Nitrite

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Chemistry
The chief constituent of natural gas is:

Nitrogen
Propane
Methane
Helium

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MORE MCQ ON Chemistry

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