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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 9
31.
In the production of soda ash by Solvay process, the by-product is
CaCl2
NH4Cl
NH3
NaOH
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The ideal pulp for the manufacture of paper should have high __________ content.
cellulose
lignin
both (a) & (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.
independent of
directly proportional to
inversely proportional to
proportional to the square of
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Which of the following is a constituent of vinegar ?
Around 1% alcohol
Around 10% acetic acid
Both (a) and (b)
Neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as
it is very corrosive at elevated temperature.
its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced).
it decomposes on further increasing the temperature.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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