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Chemistry

Chemistry
Biofertilizers convert nitrogen to ________ .

Nitrates
Nitrogenase
Amino acids
Ammonia

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Chemistry
Smoke is formed due to

Solid dispresed in liquid
Solid dispersed in gas
Gas dispresed in solid
Gas dispersed in gas

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Chemistry
Which method will be employed to test the hardness of water?

Formation of lather with soap
Boiling
None of these
Distillation

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Chemistry
Detergents used for cleaning clothes and utensils contain

Bicarbonates
Nitrates
Bismuthates
Sulphonates

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Chemistry
Vulcanized rubber contains sulphur

7-9%
3-5%
0.02
10-15%

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Chemistry
Identify the metal which is non toxic in nature.

Chromium
Gold
Cobalt
Cadmium

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MORE MCQ ON Chemistry

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