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Chemistry

Chemistry
Major gaseous pollutant of the thermal power station is

H2 S
NO2
SO2
NH3

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Acetic acid
Citric acid
Carbonic acid
Lactic acid

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Chemistry
Milk tastes sour when kept in the open for sometime due to the formation of

Lactic acid
Acetic acid
Carbonic acid
Citric acid

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Chemistry
Which one is the lightest element in the periodic table

Helium
Oxygen
Hydrogen
Carbon

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Chemistry
Isobars are lines joining places having equal

Pressure
Population
Height above sea-level
Rainfall

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Chemistry
For generation of biogas, the materials commonly used are

Crop residues
Aquatic plants
Forest residues
Animal wastes

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