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Stoichiometry

Stoichiometry
According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to

T
T1.5
T2
T0.5

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Stoichiometry
With rise in pressure, the solubility of gases in solvent, at a fixed temperature

Remains unchanged
Decreases
Increases
Decreases linearly

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Stoichiometry
A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is

0.33
0.66
0.47
0.16

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Stoichiometry
Normality of a solution does not change with the increase in the

Pressure
Solute concentration
Temperature
Dilution of the solution

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Stoichiometry
1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour?

5
10
15
20

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Stoichiometry
Average molecular weight of air is about

23
21
79
29

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