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Chemistry

Chemistry
Molasses a by-product in the manufacture of sugar, is converted into

Alcohol
Fuel
Pulp
Paper

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Chemistry
Which one of the following minerals is found in pure form?

Copper
Manganese
Iron
Bauxite

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Chemistry
The most abundant inert gas in the atmosphere is

Helium
Argon
Krypton
Neon

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Chemistry
Silver nitrate solution is kept in brown bottles in laboratory because

Brown bottles do not react with it
It reacts with ordinary white bottles
Brown bottles stops the passage of light through it
Brown bottles react with it

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Chemistry
Which one of the following metals is used to galvanise iron ?

Zinc
Lead
Copper
Mercury

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Chemistry
In deep-sea diving, divers use a mixture of gases consisting of oxygen and

Argon
Hydrogen
Helium
Nitrogen

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