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Stoichiometry

Stoichiometry
With increase in temperature, the surface tension of water

Remains constant
Increases
Increases linearly
Decreases

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Stoichiometry
Measurement of the amount of dry gas collected over water from volume of moist gas is based on the

Boyle's law
Charle's law
Avogadro's hypothesis
Dalton's law of partial pressures

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Stoichiometry
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

0°K
- 136.5°K
-136.5°C
-273°C

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

Nuclear
Solid
Gaseous
Liquid

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Stoichiometry
Size range of the colloidals particles is

10 - 50 Angstrom
500 - 1000 microns
5 - 200 milli-microns
50 - 200 microns

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Stoichiometry
The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K

400°
300°
300°
273°

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