Q. Which one of the following chemicals is NOT used for fumigation in either horizontal or vertical storage structures to kill insects?
(A) Methyl bromide
(B) Phosphine
(C) Phostoxin
(D) Silver sulphate
Ans: Silver sulphate
Q. Which one of the following chemicals is NOT used for fumigation in either horizontal or vertical storage structures to kill insects?
(A) Methyl bromide
(B) Phosphine
(C) Phostoxin
(D) Silver sulphate
Ans: Silver sulphate