Copper is extracted from low grade copper ores.

What is the voltage at which electrolysis of brine takes place?

Which of the following ores are concentrated by froth flotation?

In thermite process, what is the reducing agent used?

Which of the following is the most suitable ore to undergo electrochemical process?

What is the property of necessary for an ore to be concentrated by electrostatic separation?

What does the Ellingham diagram consist of?

Where are the magnetic particles collected in concentration by electromagnetic separation?