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Stoichiometry

Stoichiometry
The quantity of heat required to evaporate 1 kg of a saturated liquid is called

Specific heat
Latent heat
1 Kcal
Sensible heat

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Stoichiometry
Isotopes are atoms having the same

Mass number
Number of neutrons
Atomic mass
None of these

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Stoichiometry
In the reaction, Ca + 2Hâ‚‚O = Ca(OH)â‚‚ + Hâ‚‚ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40)

4480
1120
2240
0.4

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Stoichiometry
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is

Termed as relative saturation
Called percentage saturation
Not a function of the composition of gas mixture
Not a function of the nature of vapor

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Stoichiometry
Average molecular weight of air is about

23
21
79
29

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Stoichiometry
Isotonic solutions must have the same

Molar concentration
Normality
Critical temperature
Viscosity

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