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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 10
36.
__________ are added in lacquers to remove film brittleness and to improve adhereness.
Film forming materials
Plasticisers
Diluents
Solvents
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Washing of coal is done to
remove the inherent impurities.
remove the adhering impurities.
reduce the ash content.
both(b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Systemic insecticides
are absorbed throughout the plant.
kill insects following external bodily contact.
are stomach poisons.
emit poisonous vapour.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Dry ice (solidified CO2) is used for the
storage & shipment of frozen foods and ice-creams.
liquefaction of permanent gases.
liquefaction of natural gas.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
diamine and the ring.
dibasic acid and the ring.
diamine and the dibasic acid.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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