Question

plss ans it quickly tomorrow is my exam​

Answer 1

Explanation:

purifing metal

by

using

electoro ysis

Answer 2

Answer: Small current is passed for a longer time. Proper choice of electrode and electrolyte. e.g. For copper-plating, copper sulphate soln is used as electrolyte. The surface to be plated must be cleaned (polishing) before electroplating.

Explanation: hope this helps!!! Please thank my answer and mark my answer as brainliest!!! : )