Which of the following elements has the unique ability to combine with other atoms of the same element to produce larger molecules?
A. aluminium
B. hydrogen
C. carbon
D. nitrogen
Answer: Option C
A. aluminium
B. hydrogen
C. carbon
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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