Multiple choice

Directions: Choose a correct option from the following. If a metal gets coated with green carbonate after being exposed to atmosphere, then it is

  1. Zn

  2. Sn

  3. Cu

  4. Fe

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Copper reacts with moisture, carbon dioxide, and oxygen in the atmosphere to form a green layer of basic copper carbonate, known as patina.