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Chemistry

Chemistry
Chemical name of Gammaxane is

Aniline
Toluene
Chloro benzene
Benzene hexachloride

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Chemistry
The major harmful gas emitted by automobile vehicles which causes air pollution is

Carbon dioxide
Methane
Ozone gas
Carbon Monoxide

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Chemistry
Bayer's reagent is

Alkaline potassium permanganate
Hydrogen peroxide
Acidified potassium permanganate
Bromine water

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Chemistry
The hottest part of the gas flame is known as

blue zone
dark zone
non-luminous zone
luminous zone

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Chemistry
Impure camphor is purified by

Fractional distillation
Steam distillation
Fractional crystallisation
Sublimation

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Asthma
Silicosis
Pneumoconiosis
Cancer

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MORE MCQ ON Chemistry

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