The pair that does not require calcinations is: – McqOptions

MCQOPTIONS

1.	The pair that does not require calcinations is:
A.	Zno and MgO
B.	ZnO and Fe2O3.xH2O
C.	ZnCO3 and CaO
D.	Fe2O3 and CaCO3.MgCO3
Answer» B. ZnO and Fe2O3.xH2O

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