Electrical, Mechanical, Civil Engineering Objective Questions And Answers And Short Questions Answers For Exam, Tests and Interview Selections

Thursday, 27 April 2017

Heating of orthophosphoric acid to about 900�C, produces

4. Heating of orthophosphoric acid to about 900�C, produces
o pvrophosphonc acid
o no change iii it
0 metaphosphoric acid
none of these

Ans: C

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