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Chemistry

Chemistry
Piped Natural Gas (PNG) is used for

Anaesthesia
Welding
Cooking
Mining

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Chemistry
Biofertilizers convert nitrogen to ________ .

Nitrogenase
Amino acids
Ammonia
Nitrates

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Chemistry
The purest form of water is

Ground water
Rain water
Distilled water
Tap water

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Chemistry
The nucleus of an atom consists of

All of these
electrons and neutrons
electrons and protons
protons and neutrons

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Chemistry
Which one of the following chemicals helps in fruit ripening?

Atrazine
Isoproturan
Malathion
Ethephon

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Chemistry
Oxide of sulphur present in the atmosphere are washed down by rains to cause :

Eutrophication in lakes
Lowering of pH of soil
Industrial smog formation
Depletion of fossil fuel reserves

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MORE MCQ ON Chemistry

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