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Stoichiometry

Stoichiometry
A vapor that exists above its critical temperature is termed as a __________ vapor.

Unsaturated
Saturated
Gaseous
Sub-cooled

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Stoichiometry
What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C?

43833
L/3 x 298/273
43832
43864

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Stoichiometry
'Giga' stands for

1015
44116
1012
109

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Stoichiometry
Cp/Cv for monoatomic gases is

1.66
1.44
1
1.99

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Stoichiometry
Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at

Yield enhancement
None of these
Product enrichment
Heat conservation

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Stoichiometry
For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

Sodium chloride
Hypo
Sodium carbonate monohydrate
Anhydrous sodium sulphate

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