Q459
Di-ammonium phosphate contains
A.
46% P2O5
AnswerB.
21% P2O5
C.
65% P2O5
D.
25% P2O5
Answer: Option A
Solution
Answer: Option A
Solution:
Di-ammonium phosphate (DAP) is one of a series of water-soluble ammonium phosphate salts that can be produced when ammonia reacts with phosphoric acid.Its chemical formula is (NH4)2(HPO4). It contains 46% P2O5, 18% N and 0% K2O. the average pH in the solution is 7.5 - 8.