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Chemistry

Chemistry
A thick paste of cement, sand and water is called

Concrete
Mortar
R.C.C.
Kiln

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Chemistry
Brass is made of

Copper and tin
Copper and zinc
Copper, tin and zinc
Tin and lead

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Chemistry
Which of the following in automobile exhaust can cause cancer?

Oxides of nitrogen
Polyclinic hydrocarbons
Carbon monoxide
Lead

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Chemistry
Milk is a natural

Mixture
Emulsion
Solution
Suspension

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Chemistry
Ozone layer of atmosphere absorbs:

Ultraviolet rays
Infra-red rays
All radiations of Light
Cosmic rays.

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Chemistry
Stalactites and Stalagmites form due to the precipitation of :

MgCO3
MgCl2
CaCO3
CaCl2

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MORE MCQ ON Chemistry

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