Multiple Choice
When phosphate rock, Ca3(PO4) 2(s) , is converted to phosphorus,
A) one of the products of the reaction is water.
B) sulfuric acid is added to generate insoluble calcium sulfate.
C) hydrogen is used to reduce the phosphate to phosphorus.
D) silica is added to form a calcium silicate slag.
E) oxygen must be added to prevent reaction of P4.
Correct Answer:
Verified
Correct Answer:
Verified
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