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Stoichiometry

Stoichiometry
1 torr is equal to __________ mm Hg column.

0.1
1000
1
10

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Stoichiometry
Avogadro's number is equal to

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Stoichiometry
Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is

0.2
1.72
0.58
0.5

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Stoichiometry
For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.

Neither A nor B
Differential
Both A & B
Integral

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Stoichiometry
The depression in freezing point of a solution is

Directly proportional to the mole of solute
Both A & B
Neither A nor B
Inversely proportional to the mass of solvent

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Stoichiometry
Viscosity of 1 centipoise is equal to 1 centis-toke in case of

Carbon tetrachloride
None of these
Water
Mercury

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