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Stoichiometry

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

Water
Mercury
None of these
Carbon tetrachloride

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Stoichiometry
A butane isomerisation process produces 70 kmole/hr of pure isobutane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be

3 kmole/hr
4 kmole/hr
5 kmole/hr
6 kmole/hr

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Stoichiometry
If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

None of these
It will not solidify even on
The solvent begins to freeze out even before
It will undergo no change until

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Stoichiometry
Heat of transition is the heat evolved or absorbed, when a substance is converted from

Vapor to liquid
Vapor to solid
One allotropic form to another allotropic form
Solid to liquid

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Stoichiometry
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

2
8
1
4

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Stoichiometry
Recycling in a chemical process facilitates

Increased yield
Enrichment of product
All of these
Heat conservation

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