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Chemical Engineering - Stoichiometry

Exercise : Stoichiometry - Section 8
26.
The crystallisation of a solute from a solution may be done by
removal of pure solvent by evaporation.
change of temperature thereby causing supersaturation.
changing the nature of the system by the addition of a more soluble material.
all (a), (b) &(c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?
273°C
273°K
100°C
200°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
1 kg/m2 is equal to __________ mm water column.
1
10
100
1000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
An equation for calculating vapour pressure is given by, log10 P = A - B(t + c). This is called the
Kistyakowsky equation
Antonic equation
Kopp's rule
Trouton's rule
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
The value of the gas-law constant 'R' is 1.987
kcal/kg-mole.°C
Btu/lb-mole.°R
kcal/kg-mole.°K
both (b)& (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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