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Chemistry

Chemistry
Major gaseous pollutant of the thermal power station is

NO2
H2 S
NH3
SO2

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Chemistry
The name of plastic polymer from which combs, toys, bowls etc., can be made, is

Polyurethane
Polystyrene
Metallic polysulphides
Teflon

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Chemistry
0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by

6
4
7
3

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Chemistry
One carat of diamond is equal to

100 mg
250 mg
150 mg
200 mg

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Chemistry
Curd is sour due to presenceof

Oxalic acid
Tartaric acid
Lactic acid
Acetic acid

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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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MORE MCQ ON Chemistry

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