Incomplete combustion of a fuel gives poisonous . . . . . . . . gas.
A. carbon dioxide
B. isocynate
C. carbon monoxide
D. nitrogen
Answer: Option C
A. carbon dioxide
B. isocynate
C. carbon monoxide
D. nitrogen
Answer: Option C
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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