Stoichiometry
The temperature at which the second Virial co-efficient of a real gas is zero is called the

Eutectic point
Boiling point
Boyle temperature
Critical temperature

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Stoichiometry
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the

Equivalent weight of the metal is 4
Atomic weight of the metal is 2
Atomic weight of the metal is 4
Equivalent weight of the metal is 8

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