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Chemistry

Chemistry
Biofertilizers convert nitrogen to ________ .

Nitrogenase
Nitrates
Amino acids
Ammonia

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Chemistry
Cinnabar is an ore/mineral of

Mercury
Lead
Manganese
Molybdenum

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Chemistry
The main chemical constituent of clay is

zeolites
silicon oxide
aluminium silicate
aluminium borosilicate

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Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.5 mole
0.4 mole
0.25 mole
0.2 mole

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Chemistry
Galvanised iron is made by coating iron with

Nickel
Sulphur
Zinc
Chromium

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Chemistry
Which acid is used in Lead storage battery?

Sulphuric acid
Hydrochloric acid
Acetic acid
Nitric acid

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MORE MCQ ON Chemistry

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