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

The oxides of calcium and phosphorous react as shown below:-
6CaO_(s) + P₄O_10(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

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(i) CaO is basic and P₄O₁₀ is acidic

(ii) Let the ON of P be x


(iii) Used as a fertilizer

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maurice.mutuku answered the question on October 31, 2019 at 08:01

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