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Chemical Engineering - Stoichiometry

Exercise : Stoichiometry - Section 6
46.
Raoult's law is not applicable to the
solutes which dissociate or associate in the particular solution.
concentrated solutions.
both(b)&(c)
solutions containing non-volatile solute.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is
N2O4
N2O5
N2O3
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The atomic heat capacities of all solid elements __________ with decrease in temperature.
increases
decreases
remains unchanged
approach zero at 0°C
Answer: Option
Explanation:
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49.
Raoult's law states that 'the equilibrium vapor pressure that is exerted by a component in a solution is proportional to the mole fraction of that component'. This generalisation is based on the assumption that the
sizes of the component molecules are approximately equal.
attractive forces between like and unlike molecules are approximately equal.
component molecules are non-polar and no chemical combination or molecular association between unlike molecules takes place in the formation of the solution.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
°API gravity of water at N.T.P. is about
0
1
10
100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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