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Chemistry

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

Concrete
Kiln
R.C.C.
Mortar

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Chemistry
The main constituent of natural gas is

Butane
Methane
Propane
Ethane

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Chemistry
Ozone consists of

Oxygen and Carbon
Oxygen and Nitrogen
Hydrogen and Carbon
Oxygen only

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Chemistry
Which one of the following is a major green house gas?

Carbon monoxide
Chloro fluorocarbon
Freon
Carbon dioxide

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Chemistry
The coating of a thin layer of zinc on steel or iron objects is known as

Galvanising
Electroplating
Tinning
Hot dipping

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Chemistry
Which one is the naturally occuring heaviest element

Uranium
Thorium
Protactinium
Mercury

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MORE MCQ ON Chemistry

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