Question

Heating an ore in a limited supply of air or in the absence of air at a temperature just below it’s melting point is known as :
(1) Smelting
(2) Ore dressing
(3) Calcination
(4) Bessemerisation

WhatsApp

Didn't liked the above answer ?

Text Generation Tool

💡 Some Related Questions

Metallurgy

Give reasons for the following pertaining to Hall Herault’s process.
(i) The fusion temperature of the electrolyte has to be lowered before conducting the electrolytic reduction.
(ii) The constituents of the electrolyte in addition to one part of fused alumina contains three parts of cryolite and one part of fluorspar.
(iii) A layer of powdered coke sprinkled over the electrolytic mixture, protects the carbon electrodes.
(iv) It is preferred to use a number of graphite electrodes as anode, instead of a single graphite electrode.

Open Answer »