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Chemistry

Chemistry
The gas used in the artificial ripening of fruits is

Methane
Butane
Ethane
Acetylene

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Chemistry
The gas liberated in the Bhopal gas tragedy was:

Ethylene
Pheynl isocynate
Methyl isocynate
Acetylene

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Chemistry
Atomic number is the number equal to

Protons
Electrons
None of these
Neutrons

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Chemistry
Helium is added to the oxygen supply of deep sea divers because it is

Lighter than nitrogen
Less poisonous than nitrogen
Less soluble in blood than nitrogen at high pressure
Readily miscible with oxygen

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Chemistry
CNG used in automobiles to check pollution, mainly consists of

CH4
CO2
H2
N2

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Chemistry
Which is the purest form of iron?

Wrought iron
Cast iron
Steel
Pig iron

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MORE MCQ ON Chemistry

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