Seema Saini Solutions for Chapter: General Principles and Processes of Isolation of Elements, Exercise 2: DPP

In the extraction of chlorine by electrolysis of brine,

Zone refining is based on the principle that the:

Brine is electrolysed by using inert electrodes. The reaction at the anode is:

The term calcination is used to denote:

"In electrolysis, ${\mathrm{M}}^{\mathrm{n}+}\left(\mathrm{aq}\right)$, the metal ions are discharged at the negative electrode (cathode) and deposited there."

The above method of extraction is not possible for:

Which of the following statements is correct about the role of substances added in the froth floatation process?

In the froth flotation process, zinc sulphide and lead sulphide can be separated by which of the following?

Which of the following reactions occur during calcination?