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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 11
36.
Salt is the basic raw material for the manufacture of
cement
glass
potteries
caustic soda
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Pick out the wrong statement.
Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators.
Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur.
Lead azide is a popular military explosive.
TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Hydrazine (N2H4) is used mainly as a/an
explosive
rocket fuel
detergents additive
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Hydrocynic acid (HCN) is used as an insecticide for
controlling timber degradation by ants
controlling poultry lice
potato beetle
citrus fruits
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Molecular weight of plastics ranges from
5000 to 10000
20000 to 250000
500 to 5000
106 to l09
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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