A) smelting
B) reduction
C) calcination
D) roasting.
Correct Answer: C
Solution :
: Conversion of an ore (carbonate) into its oxide by heating in absence of air is called calcination. \[\underset{Limestone}{\mathop{CaC{{O}_{3}}}}\,\xrightarrow{\Delta }\underset{\begin{smallmatrix} Calcium \\ oxide \end{smallmatrix}}{\mathop{CaO}}\,+C{{O}_{2}}\uparrow \]You need to login to perform this action.
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