Heating of ortho-phosphoric acid to about 900°C, produces____________ – McqOptions

MCQOPTIONS

1.	Heating of ortho-phosphoric acid to about 900°C, produces_________________?
A.	Meta-phosphoric acid
B.	Pyrophosphoric acid
C.	No change in it
D.	None of these
Answer» B. Pyrophosphoric acid

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