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Chemistry

Chemistry
The highest volume of gases in lower atmosphere is comprised of

Hydrogen
Nitrogen
Carbon dioxide
Oxygen

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Chemistry
Soap is prepared by boiling caustic soda with

Kerosene oil
Alcohol
Glycerine
Fats

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Chemistry
Which one among the following is not a mixture?

Brass
Graphite
Steel
Glass

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Chemistry
Which of the following is not soluble in water ?

Lead Sulphate
Potassium sulphate
Zinc sulphate
Sodium sulphate

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Chemistry
Cement containing excess amount of lime

Cracks during setting
Is slow setting
Is quick setting
Becomes more strong

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Chemistry
Chemical name of Gammaxane is

Toluene
Chloro benzene
Benzene hexachloride
Aniline

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