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Stoichiometry

Stoichiometry
Density of carbon dioxide is __________ kg/Nm³.

None of these
44/22400
22.4/44
44/22.4

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Stoichiometry
pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be

10
7
14

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Stoichiometry
For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.

Relative saturation
Humidity
Wet bulb temperature
Dry bulb temperature

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Stoichiometry
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies

0.5 < XM < 0.64
XM ≥ 0.64
XM < 0.5
XM = 0.5

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

Carbon tetrachloride
Mercury
None of these
Water

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Stoichiometry
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is

Increased with the increase in pressure
Unchanged by the pressure change
Independent of the temperature
Decreased with the increase in pressure

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