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Chemistry

Chemistry
Fertiliser having high nitrogen content is :

Ammonium nitrate
Calcium citrate
Ammonium sulphate
Urea

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Chemistry
The 'solid waste' is also known as

Toxic waste
Sludge
Sedge
Scrubber

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Chemistry
The advantage of detergents over soaps is

Detergents give lather even with hard water
Soaps give lather with only soft water
Detergents are soluble in water
Detergents could not give much lather

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Chemistry
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

1 : 16 : 2
2 : 16 : 2
2 : 16 : 1
1 : 1 : 1

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Chemistry
Aerated water contains

NO2
H2
CO2
SO2

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Chemistry
German silver used for making utensils is an alloy of

Copper, silver, nickel
Copper, zinc, aluminium
Copper, zinc, nickel
Copper, nickel, aluminium

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MORE MCQ ON Chemistry

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