Heating a mixture of phosphate rock, coke and sand in an electric furn – McqOptions

MCQOPTIONS

1.	Heating a mixture of phosphate rock, coke and sand in an electric furnace produces___________________?
A.	Phosphoric acid
B.	Ammonium phosphate
C.	Phosphorous
D.	Superphosphate
Answer» D. Superphosphate

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