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Chemistry

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

Ethane
Acetylene
Methane
Ethylene

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Chemistry
The purest form of Iron is :

Steel
Wrought iron
Cast iron
Pig iron

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Chemistry
The number of moles of solute present in 1 kg of a solvent is called its

molality
normality
molarity
formality

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Chemistry
Which among the following is a covalent compound ?

Calcium chloride
Carbon tetrachloride
Sodium chloride
Magnesium fluoride

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Chemistry
Heating of a ore below its melting point in the absence of air is known as

Roasting
Calcination
Refining
Smelting

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Chemistry
The presence of Cobalt in Vitamin B12 was established for the first time by

Sodium Nitroprusside test
Borax-Bead test
Hydrolysis test
Spectroscopy

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MORE MCQ ON Chemistry

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