Question

PKSS61
why do all the metal pieces get polished before the experiment​

Answer 1

Answer:

Metal pieces get tall is before the experiment because to remove the metal oxide ! Metal prices are polished before the experiment because to remove the topmost layer of it as when the metal is burnt the metal oxide will prevent the metal piece from further oxidation.

Answer 2

Explanation:

Metal prices are polished before the experiment because to remove the topmost layer of it as when the metal is burnt the metal oxide will prevent the metal piece from further oxidation..

hope it helps you