Question

In the reaction shown below calcium phosphate slag is formed from a reaction of calcium oxide with phosphoric anhydride.
6 CaO(s) + P4O10(l) -> 2 Ca3(PO4)2(l)
CaO is a(n) ________ oxide, and P4O10 is a(n) ________ oxide.
A) acidic, acidic
B) acidic, basic
C) basic, acidic
D) basic, basic

Answer

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