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Chemistry

Chemistry
Sweat contains water and ________

Lactic acid
Citric acid
Salt
Vinegar

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Chemistry
The important ore of aluminium is

Bauxite
Haematite
Fluorspar
Cryolite

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Chemistry
The gas used in the artificial ripening of fruits is

Ethane
Butane
Acetylene
Methane

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Chemistry
Which is a natural colloid ?

Cane-sugar
Blood
Urea
Sodium chloride

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Chemistry
The compound that has the least value for octane number is :

2,2-dimethyl hexane
N-heptane
Iso-octane
2-methyl heptane

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Chemistry
Chemical name of Gammaxane is

Toluene
Benzene hexachloride
Aniline
Chloro benzene

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