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Chemistry

Chemistry
Which of the following is a secondary pollutant ?

CO
NO
SO2
PAN

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Chemistry
Which is not a green house gas ?

N2O
CO2
CH4
Chlorofluorocarbons

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Chemistry
Which of the following metals occurs in free state ?

Lead
Copper
Zinc
Iron

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Chemistry
Extensively used nitrogenous fertilizer is

Urea
Ammonium nitrate
Ammonium sulphate
Nitro-lime

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Chemistry
Synthetic detergents are prepared from

Glycerides
Hydrocarbons of petroleum
Sodium salts of higher fattyacids
Potassium salts of higher fatty-acids

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Chemistry
Biofertilizers convert nitrogen to ________ .

Ammonia
Nitrogenase
Amino acids
Nitrates

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MORE MCQ ON Chemistry

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