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Chemistry

Chemistry
Which among the following is used to dilute oxygen in the gas cylinders used by divers ?

Neon
Argon
Krypton
Helium

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Methane
Ethane
Ethylene
Acetylene

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Chemistry
Which one of the following is most acidic

Na2O
CaO
MgO
Al22O3

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Chemistry
A pungent smell often present near the urinals is due to

Sulphur-di- oxide
Ammonia
Chlorine
Urea

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Chemistry
By-product obtained by soap industry is

Caustic soda
Naphthalene
Caustic potash
Glycerol

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Chemistry
Vulcanization of rubber is carried out by adding

Carbon
Ozone
Phosphorus
Sulphur

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MORE MCQ ON Chemistry

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