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Stoichiometry

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

1.25
2.5
14
28

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Stoichiometry
The unit of dynamic viscosity is

Poise
Stoke
Gm/cm sec
Both B & C

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Stoichiometry
An oxidation process is accompanied by decrease in the

Number of ions
Oxidation number
Number of electrons
All of these

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Stoichiometry
S.T.P. corresponds to

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

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Stoichiometry
In a chemical process, the recycle stream is purged for

Enriching the product
Limiting the inerts
Heat conservation
Increasing the product yield

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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
0.5
1.72
0.58

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