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Chemistry

Chemistry
Number of neutrons in an atom of hydrogen is

One
Two
Three
Zero

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Chemistry
Which of the following is used as a lubricant in heavy machines?

Sulphur
Phosphorus
Bauxite
Graphite

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Chemistry
Colloids can be purified by

Condensation
Condensation
Condensation
Dialysis

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Chemistry
Iron is extracted from

Cinnabar
Dolomite
Haematite
Bauxite

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Chemistry
Which one of the following does not contain Silver ?

Lunar Caustic
Horn Silver
Ruby Silver
German Silver

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Chemistry
The example of oligosaccharide is

Cellulose
Ribose
Sucrose
Glucose

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