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Chemistry

Chemistry
Chemical name of Gammaxane is

Benzene hexachloride
Chloro benzene
Toluene
Aniline

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Chemistry
The chemical name of ‘Common salt’ is

Calcium chloride
Sodium chloride
Sodium nitrate
Ammonium chloride

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Chemistry
Catalyst is a substance which

Increases the rate of the reaction
None of these
Decreases the rate of reaction
Has no action on the rate of the reaction

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Chemistry
The element used in the manufacture of safety matches is

Magnesium
Sulphur
Phosphorous
Silicon

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Chemistry
The most abundant metal in the Earth’s crust is

Zinc
Copper
Aluminium
Iron

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Chemistry
Polythene is polymer of

Acetylene
Ethylene
Aniline
Propylene

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