Which of the following is/are example(s) of herbicides?
A. Sodium chlorate
B. Sodium arsenite
C. Potassium Manganate
D. Both A and B
Answer: Option D
A. Sodium chlorate
B. Sodium arsenite
C. Potassium Manganate
D. Both A and B
Answer: Option D
The term 'brown air' is used for
A. Acid fumes
B. Photochemical smog
C. Sulphurous smog
D. Industrial smog
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