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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 3
21.
__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.
Pyrex
Soda lime
Lead
High silica
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The amount of benzene present in pure benzol is about __________ percent.
30
50
70
90
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Cumene (isopropyl benzene) is made by
oxidation of napthalene.
propylene alkylation of benzene.
polymerisation of a mixture of benzene & propylene.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following is not a pyrite ore?
Celestite
Galena
Gypsum
Siderite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Mannheim furnace is used in the manufacture of
hydrochloric acid.
H2SO4 by Chamber process.
calcium carbide.
corundum.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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