Which one of the following forms of carbon acts as a reducing agent in metallurgy?
A. Coke
B. Carbon black
C. Charcoal
D. Graphite
Answer: Option A
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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