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Chemistry

Chemistry
Which among the following is used as a catalyst in the production of high octane fuels?

HNO3
H2SO4
HF
HCl

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Chemistry
Find the odd one:

Marble
Slaked lime
Chalk
Limestone

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Chemistry
Extensively used nitrogenous fertilizer is

Ammonium sulphate
Nitro-lime
Urea
Ammonium nitrate

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Chemistry
Quartz is a crystalline form of

Limestone
Silica
Alumina
Glass

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Chemistry
Muddy water is treated with alum in purification process, itis termed as :

Adsorption
Absorption
Coagulation
Emulsification

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Chemistry
The gas which turns into liquid at the lowest temperature among the following is

Helium
Hydrogen
Nitrogen
Oxygen

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MORE MCQ ON Chemistry

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