Graphite is used in atomic piles
A. as a lubricant
B. as a fuel
C. as an insulator
D. as a moderator
Answer: Option D
A. as a lubricant
B. as a fuel
C. as an insulator
D. as a moderator
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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