Chloral is used in the manufacture of__________________?
Chloral is used in the manufacture of__________________?
A. DDT
B. BHC
C. Parathion
D. None of these
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Fumigant insecticides
Question: Fumigant insecticides
[A].kill insects, when they eat it. [B].
emit poisonous vapour. [C].
are absorbed throughout the plant. [D].
none of these. Answer: Option B
Explanation:
No answer description available for this question.
The drug used in contraceptives is____________________?
The drug used in contraceptives is____________________?A. Sulfadiazine
B. Mestranol
C. Methyl salicylate
D. PenicillinDechlorination of treated water is necessary to __________________?
Dechlorination of treated water is necessary to __________________?A. Remove residual turbidity
B. Reduce the bacterial load on filter
C. Control taste and odour
D. Remove chlorinous tasteArgon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is___________________?
Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is___________________?A. 0.14
B. 0.34
C. 0.94
D. 1.4A mineral is termed as ‘ore’, if ____________________?
A mineral is termed as ‘ore’, if ____________________?A. A metal can be economically extracted from it
B. It contains ≥ 40% metal
C. The metal present in it is costly
D. All A , B. and C.Which of the following, when pyrolysed, produces perchloro-ethylene ?
Question: Which of the following, when pyrolysed, produces perchloro-ethylene ?
[A].Ethylene dichloride [B].
Chlorobenzene [C].
Carbon tetrachloride [D].
Chlorinated paraffin Answer: Option C
Explanation:
No answer description available for this question.