Question

Zone refining is a method to obtain

1) Very high temperature

2) Ultra pure Al

3) Ultra pure metals

4) Ultra pure oxides​

Answer 1

Answer:

⭐Zone refining is a method to obtain ultrapure metals. It is a method of purifying crystals, in which a narrow region of a crystal is molten, and this molten zone is moved along the crystal. The molten region melts impure solid at its forward edge and leaves a wake of purer material solidified behind it as it moves through the ingot. The impurities concentrate in the melt, and are moved to one end of the ingot.

Answer 2

Answer:

• 3) Ultra pure metals.

Zone refining is the method to obtain Ultra pure metals.

Hope it helps you.