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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 10
41.
Chemical formula of BHC, which is an insecticide is
C6H6Cl6
C6Cl6
C6H5Cl
C6H4Cl2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
A bio-catalyst produced by living cells which acts independent of the cell is called a/an
substrate
enzyme
nutrient
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Pick out the wrong statement.
DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction.
Chloral is obtained by the chlorination of ethyl alcohol.
Insecticides acting on the insects through the respiratory system are called fumigants.
Benzene hexachloride is not a contact insecticide.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The product obtained on mixing calcium oxide with water is called
quicklime
slaked lime
milk of lime
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The major constituent of black liquor generated during paper manufacture is sodium
sulphate
carbonate
hydroxide
bi-carbonate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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