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Chemistry

Chemistry
Major gaseous pollutant of the thermal power station is

SO2
NH3
H2 S
NO2

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

Hydrogen
Carbon
None of these
Oxygen

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Chemistry
Which among the following is a covalent compound ?

Calcium chloride
Sodium chloride
Magnesium fluoride
Carbon tetrachloride

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Chemistry
Which one of the following minerals is found in pure form?

Copper
Bauxite
Iron
Manganese

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Oxygen
Carbon dioxide
Carbon monoxide
Ozone

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Chemistry
Acid rain is caused by the pollution of environment by

Ozone and Carbon dioxide
Carbon dioxide and Nitrogen
Carbon monoxide and Carbon dioxide
Nitrous oxide and Sulphur dioxide

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