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General Science

General Science
The most important ore of aluminum is

Bauxite
Calamine
Galena
Calcite

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General Science
The property of a substance to absorb moisture from the air on exposure is called

Osmosis
Efflorescence
Desiccation
Deliquescence

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General Science
One horse power is equal to

766 watts
746 watts
736 watts
726 watts

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General Science
Chemical formula for water is

H2O
CaSiO3
NaA1O2
None of the listed here

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General Science
Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?

Cooking gas
Tube light
Television
Refrigerator

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General Science
Bell metal is an alloy of

Brass and Nickel
Tin and Copper
Nickel and Copper
Zinc and Copper

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