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Chemistry

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

Concrete
Mortar
Kiln
R.C.C.

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Chemistry
Greenhouse effect is caused by

Nitrogen
Nitrogen dioxide
Carbon dioxide
Carbon monoxide

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Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

Cl2
SO2
O2
H2

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Chemistry
In electro-refining, the pure metal is deposited on

Anode
Cathode
Electrolyte
Vessel

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Chemistry
Litmus is obtained from

A bacterium
A fungus
An alga
Lichen

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Chemistry
The inert gases are ____ in water

sparingly soluble
soluble
None of these
insoluble

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