Question

16. State one advantage and disadvantage
of rusting​

Answer 1

Advantage: Rusting provides a thin durable shell to prevent the metal from getting more corroded.

Disadvantage: Rusting weakens material due to prolonged corrosive action.

Step-by-step explanation:

Answer 2

Advantage:

It forms ferrous oxide which is used as a pigment for glasses

Disadvantage:

It destroys the appearance of the metal and weakens it.