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Chemistry

Chemistry
White coal is

Diamond
None of these
Uranium
Hydro-electricity

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Chemistry
Which of the following is an antidiabatic drug?

Chloroquine
Insulin
Aspirin
Penicillin

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Chemistry
The most abundant constituent of atmospheric air is :

Nitrogen
Hydrogen
Carbon
Oxygen

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Chemistry
In organic compounds, nitrogen is estimated by

Dumas method
Victor-Meyer's method
Liebig's method
Carius method

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Chemistry
The basic chemical building block of natural rubber obtained from trees is

Isoprene
Acetylene
Vinyl Chloride
Neoprene

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Chemistry
Which of the following is used in welding broken pieces of iron rails and machine parts?

None of these
Aluminium powder
Solder
Aluminium sulphate

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