To prevent magnesium from oxidation in electrolytic extraction process
Some calcium fluoride is added
Some chlorides are added
Metal is taken out by spoons
The whole process is done in an atmosphere of coal gas
Name the following:
(a) A metal which is liquid at room temperature.
(b) The process of heating an ore to a high temperature in the presence of air.
(c) The compound formed by the reaction between calcium oxide and silica.
(d) A compound which is added to lower the fusion temperature of the electrolytic bath in the extraction of aluminium.
(e) Name an allotrope of a non-metal that allows electricity to pass through it.