Which of the following Allotropes of carbon is used to absorb impurities and bad odors from water and other substances?
A. Graphite
B. Charcoal
C. Coke or coal
D. Carbon black
Answer: Option B
This Question Belongs to Chemistry GK Chapter Wise >> Non Metal And Its Compounds
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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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