Q. ‘D.D.T.’ was invented by?

A
Rudolf
B
Paul Muller
C
John Dalton
D
None of these
Solution:

Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948. It was first synthesized in the year 1874.

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