The oxides of calcium and phosphorous react as shown below:-

      

The oxides of calcium and phosphorous react as shown below:-
6CaO(s) + P4O10(s)--------->2Ca3(PO4)2(s)
(i) Give a reason why these substances react and yet both are oxides
(ii) Work out the oxidation state of phosphorous in P4O10
(iii) State one use of Ca3(PO4)2

  

Answers


Maurice
(i) CaO is basic and P4O10 is acidic

(ii) Let the ON of P be x
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(iii) Used as a fertilizer
maurice.mutuku answered the question on October 31, 2019 at 08:01


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