Calcination is the process of heating the ore ______________.

in inert gas

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in the presence of air

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in the absence air

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in the presence of CaO and MgO

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Solution

The correct option is D in the absence air
The concentrated ore is heated in absence of air to remove water or moisture from a hydrated oxide and $C O_{2}$ from a carbonate ore at a temperature below their melting point. This process is called calcination and It is generally carried out in a reverberatory furnace.

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Similar questions

A C a l c i n a t i o n - ------ \to C a O + M g O + 2 C O_{2}

Calcination is a process in which ore is heated in the absence of air. As a result of which the ___ ore is converted into its oxide.

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

A

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