Chemical Engineering - Stoichiometry

11.
If 1 Nm3 of O2 contains 'N' number of molecules, then number of molecules in 2Nm3 of SO2 will be
N
N/2
2N
4N
Answer: Option
Explanation:
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12.
The most convenient way of expressing solution concentration is in terms of
mole fraction
normality
molality
molarity
Answer: Option
Explanation:
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13.
Unit of mass velocity is
kg/m . hr
kg/m2.hr
kg/hr
kg/m2
Answer: Option
Explanation:
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14.
With increase in temperature, the surface tension of water
increases
decreases
remains constant
increases linearly
Answer: Option
Explanation:
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15.
Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of
mixing
adsorption
wetting
complete wetting
Answer: Option
Explanation:
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