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Chemistry

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

R.C.C.
Concrete
Kiln
Mortar

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Chemistry
Which is abundant in Gobar gas?

Carbon dioxide
Hydrogen
Methane
Oxygen

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Chemistry
Helium gas is used in gas balloons instead of hydrogen gas because it is

More abundant than hydrogen
Non-combustible
Lighter than hydrogen
More stable

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Chemistry
Brine refers to :

Sweet water
Starch water
Pure water
Salt water

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Chemistry
The gas produced in marshy places due to decomposition of vegetation is

Carbon monoxide
Methane
Carbon dioxide
Sulphur dioxide

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Chemistry
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

Argon
Hydrogen
Helium
Nitrogen

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MORE MCQ ON Chemistry

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