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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 12
26.
Polyvinyl chloride (PVC) is
a thermosetting material.
a condensation polymerisation product.
made by employing emulsion polymerisation.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Bleaching of paper pulp is done with
activated clay
bromine
chlorine or chlorine dioxide
magnesium sulphite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Pick out the wrong statement.
Kraft method of pulp manufacture can process all types of fibrous raw materials.
Digestion time for bagasse is less than that for wood base materials.
Both temperature and pressure in the digestor is less in case of the sulphite method as compared to that in the sulphate method.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Isopropyl benzene produced by alkylation of benzene with propylene is known as
neoprene
cumene
gelatin
mercaptans
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis.
i - Ni/Al2O3; ii - Cu - ZnO/Al2O3
i - Fe/Al2O3; ii - Cu - ZnO/Al2O3
i - Ni/Al2O3; ii - Fe/Al2O3
i - Fe/Al2O3; ii - Ni/Al2O3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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