Metal x acquires a green color coating on its surface on exposure to air 1) identity the metal x and the process responsible for this change. 2) name and write the formula of green coating formed on the metal 3) lest two important methods to prevent this process
Answers
Answered by
1
Answer:
1) The metal is copper and the process which is responsible for this is corrosion.
2) Copper reacts with moist carbon dioxide in the air and gains a green coat. This green substance is copper carbonate.
CU + O2-------- CuO
CuO + CO2 ------------- CuCO3
3) (i) It can be prevented by painting, oiling , greasing.
(ii) By the method of galvanisation.
DEAR!!!! IF U LIKE MY ANSWER THEN PLEASE MARK IT BRAINILIEST I AM IN GREAT NEED OF IT AND DON'T FORGET TO HIT THE THANK YOU BUTTON
Similar questions