Which one of the following is produced during the formation of photochemical smog?
A. Hydrocarbons
B. Nitrogen oxide
C. Ozone
D. Methane
Answer: Option B
A. Hydrocarbons
B. Nitrogen oxide
C. Ozone
D. Methane
Answer: Option B
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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