Calcination is a process in which the ore is heated strongly in the absence of air to remove volatile impurities. It thermally decomposes the carbonate.
$A C a l c i n a t i o n - ------ \to C a O + M g O + 2 C O_{2}$
find out A:

C a C O_{3}

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M g C O_{3}

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C a C O_{3} . M g C O_{3}

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C a S O_{4} . M g C O_{3}

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Solution

The correct option is C $C a C O_{3} . M g C O_{3}$
$C a C O_{3} . M g C O_{3} C a l c i n a t i o n - ------ \to C a O + M g O + 2 C O_{2}$

$C a C O_{3} . M g C O_{3}$ is called dolomite and is potentially an ore of both the metals - Ca and Mg.

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Calcination is a process in which the ore is heated strongly in the absence of air to remove volatile impurities. It thermally decomposes the carbonate.
$2 F e_{2} O_{3} . 3 H_{2} O C a l c i n a t i o n - ------ \to A + 3 H_{2} O$
Find out $A$ :

Q. Calcination is a process in which the ore is heated strongly in the absence of air to remove volatile impurities. It thermally decomposes the carbonate.

A l_{2} O_{3} . 2 H_{2} O C a l c i n a t i o n - ------ \to B + 2 H_{2} O

The name of product

B

is:

Q. Assertion :In metallurgy calcination use for purification of metals Reason: Calcination is a chemical process wherein a carbonate ore or an oxide ore is strongly heated in the absence of air, to decompose it to remove volatile matter and moisture.

Q. In calcination, ore is heated strongly in the absence of air.

Q. Assertion :Roasting is a process in which the ore is heated strongly in absence of air. Reason: Concentration of sulphide ore is done by calcination.

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Calcination is a process in which the ore is heated strongly in the absence of air to remove volatile impurities. It thermally decomposes the carbonate. ACalcination−−−−−−−→CaO+MgO+2CO2 find out A:

The correct option is C CaCO3.MgCO3CaCO3.MgCO3Calcination−−−−−−−→CaO+MgO+2CO2 CaCO3.MgCO3 is called dolomite and is potentially an ore of both the metals - Ca and Mg.

Calcination is a process in which the ore is heated strongly in the absence of air to remove volatile impurities. It thermally decomposes the carbonate.
$A C a l c i n a t i o n - ------ \to C a O + M g O + 2 C O_{2}$
find out A:

The correct option is C $C a C O_{3} . M g C O_{3}$
$C a C O_{3} . M g C O_{3} C a l c i n a t i o n - ------ \to C a O + M g O + 2 C O_{2}$

$C a C O_{3} . M g C O_{3}$ is called dolomite and is potentially an ore of both the metals - Ca and Mg.