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Stoichiometry

Stoichiometry
Isotopes are atoms having the same

Number of neutrons
Atomic mass
None of these
Mass number

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Stoichiometry
Recycling in a chemical process facilitates

Enrichment of product
Increased yield
All of these
Heat conservation

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Stoichiometry
Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0-5m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10-3. Its units are

M/s
Kmole/m².s.Pa
Mole/m².s.Pa
Cm/s

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

Solid
Gaseous
Nuclear
Liquid

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Stoichiometry
1 ata is equivalent to

10 torr
1 atm
0.98 Pascal
1 kgf/cm²

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Stoichiometry
Raoult's law is not applicable to the

Both B & C
Solutions containing non-volatile solute
Solutes which dissociate or associate in the particular solution
Concentrated solutions

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