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The valency of phosphorus in H3 PO4 is:
(1) 2
(2) 5
(3) 4
(4) 1
Ans: 5
diagonal relationship between boron and silicon
One mole of gas A decomposed exothermically into one mole of gas B and one mole of gas C with Kp = 1.8 x 10-5 at 300 K. If the initial pressure of each gas was 0.150 atm, what were
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