. . . . . . . . is the greatest source of halogens.
A. Emissions from Automobiles
B. All of the options
C. Lake water
D. Sea
Answer: Option D
A. Emissions from Automobiles
B. All of the options
C. Lake water
D. Sea
Answer: Option D
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard
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