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Chemistry

Chemistry
Ethylene is a ________ molecule.

Nonpolar
Ionic
Polar
Covalent

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Chemistry
Extensively used nitrogenous fertilizer is

Ammonium sulphate
Nitro-lime
Ammonium nitrate
Urea

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Chemistry
Alum stops bleeding in minor cuts because of

Emulsion
Coagulation
Dialysis
Solvation

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Chemistry
Which one of the following statements is not correct? Vulcanisation of rubber makes it

Soft and flexible
Strong and hard
Withstand higher temperatures
Chemical resistant

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Chemistry
The process of removing calcium and magnesium from hard water is known as

Filtration
Flocculation
Sedimentation
Water softening

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Chemistry
Cement is made hard with

Dissociation of water
Dehydration
Hydration and dissociation of water
Polymerisation

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MORE MCQ ON Chemistry

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