Purification And Characterisation Of Organic Compounds Question 196

Question: Which of the following reactions is an example for calcination process-

Options:

A) $ 2Ag+2HCl+(O)\to 2AgCl+H_2O $

B) $ 2Zn+O_2\to 2ZnO $

C) $ 2ZnS+3O_2\to 2ZnO+2SO_2 $

D) $ MgCO_3\to MgO+CO_2 $

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Answer:

Correct Answer: D

Solution:

[d] Decomposition of carbonates and hydrated oxides.