Roasting of sulphide ore is generally pe...

Roasting of sulphide ore is generally performed in

Muffle furnace

Bessemer converter

Blast furnace

Reverberatory furnace

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Why partial roasting of sulphide ore is done in the metallurgy of copper ?

Roasting of ores is done in

Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true gt

The gas obtained by roasting of sulphide ore is reacted with acidified potassium dichromate. A green colored compound 'X' is formed. The compound X can be :

The sulfide ores are generally concentrated by

Why is it advantageous to roast a sulphide ore to the oxide before reduction ?

Assertion: Roasting is a process in which the ore is heated in presence of air Reason: Concentration of sulphide ore is done by calcination

In the stages involved in the extraction of metals in general - give reasons for following Roasting the ore generally results in evolution of sulphur dioxide gas, while calcination of the ore evolves carbon dioxide gas.

AAKASH INSTITUTE ENGLISH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)

Which of the following has the lowest percentage of carbon in it?
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Roasting of sulphide ore is generally performed in
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boiling process is used for:
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Heating pyrites to remove sulphur is called
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Which of the following metals is purified by distillation process ?
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Vapour phase refining can be carried out in case of
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