1.

In the reaction 2Ca_(3)[PO_(4)]_(2)+6SiO_(2) overset(Delta)to6CaSiO_(3) +P_(4)O_(10)

Answer»

<P>a weaker acid anhydride replaces a stronger one
a stronger acid anhydride replaces a weaker one
both acid anhydrides have equal strength
NONE of these

Solution :In this reaction a weaker acid anhydride replaces a stronger one because `P_(4)O_(10)` is VOLATILE while `SiO_(2)` is not.


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