Question

expalain how corrosion is advantageous as well as disadvantages

Answer 1

corrosion is advantageous as it is used in batteryto get charge quickly. it is disadvantageous as it makes the strength of any metal weak as the top layer gets corroded and after a period of time it is not capable to be used by us

Answer 2

corrosion is advantageous as it forms a layer of oxide on the surface of the metals and prevent further oxidization.
while it is non advantageous as it damages the strength of the metal as well as its lustrous appearence