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Stoichiometry

Stoichiometry
2 litres of nitrogen at N.T.P. weighs __________ gms.

14
1.25
28
2.5

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Stoichiometry
The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________

1026
1023
1019
1020

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Stoichiometry
The reverse process of fractional crystallisation is called

Stripping
Differential distillation
Leaching
Absorption

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Stoichiometry
S.T.P. corresponds to

1 atm. absolute pressure & 15.5°C
760 torr & 0°C
101.325 kPa gauge pressure & 15.5°C
760 mm Hg gauge pressure & 15.5°C

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Stoichiometry
Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is

1/2
8/9
5/9
1/9

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Stoichiometry
__________ fuels require the maximum percentage of 'excess air' for complete combustion.

Solid
Liquid
Nuclear
Gaseous

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