Which of the following is not a combined form of carbon?
A. Chalk
B. Marble
C. Diamond
D. Dolomite
Answer: Option C
This Question Belongs to Chemistry GK Chapter Wise >> Non Metal And Its Compounds
Related Questions on Non Metal and Its Compounds
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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