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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 12
16.
Air used in aerobic fermentation must be sterilized, otherwise the
recovery of product will be difficult.
contamination of pure culture would result.
uniformity of product cannot be achieved.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Alkylbenzene sulfonate (ABS) is a
detergent
rubber
pesticide
polyester
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
High temperature carbonisation of coal produces
inferior coke compared to low temperature carbonisation.
less of gases compared to liquid products.
larger quantity of tar compared to low temperature carbonisation.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent.
7-14 and 14-30
7-14 and 40-50
14 - 30 and 40-50
10 - 20 and 40 - 50
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Setting of plaster of paris is accompanied with
hydration
dehydration
hydrolysis
loss of CO2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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