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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 8
41.
Chrome tanning and vegetable tanning are done for
light & heavy leather respectively.
heavy & light leather respectively.
both light & heavy leather.
neither light nor heavy leather.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Catalyst used during the manufacture of 'Vanaspati Ghee' is
zinc
nickel
platinum
copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Iron ore hametite is concentrated using
electro magnetic separation mainly.
gravity separation.
froth floatation.
roasting.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Refractory bricks burnt at very high temperature have got
greater resistance to corrosion by slags.
less resistance to corrosion by slags.
high spalling tendency.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Nitrile rubber is produced by the polymerisation of
acrylonitrile and butadiene.
acrylonitrile and styrene.
isobutylene and isoprene.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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