1.

Which of the following reactions is an example for calcination process?

A. \[2Ag+2HCl+(O)\to 2AgCl+{{H}_{2}}O\]
B. \[2Zn+{{O}_{2}}\to 2ZnO\]
C. \[2ZnS+3{{O}_{2}}\to 2ZnO+2S{{O}_{2}}\]
D. \[MgC{{O}_{3}}\to MgO+C{{O}_{2}}\]
Answer» E.


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