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Chemistry

Chemistry
Colloids can be purified by

Condensation
Dialysis
Condensation
Condensation

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Chemistry
Among the following iron ores, the highest percentage of iron content is found in–

None of these
Magnetite
Limnonite
Haemetite

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Chemistry
The major constituent of air is

carbon dioxide
nitrogen
hydrogen
oxygen

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Chemistry
The acid used in lead storage cells is

Sulphuric acid
Hydrochloric acid
Nitric acid
Phosphoric acid

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Chemistry
Which component referred to as 'Milk sugar'?

Galactose
Maltose
Sucrose
Lactose

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Chemistry
A mixture of water and alcohol can be separated by

Evaporation
Filtration
Distillation
Decantation

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