Question

Boojho has learnt that non mental on beating with a hammer are generally broken into price . Which of the following is a non mental ?
a. Iron nail
b. Copper plate C. Aluminium wire D. Pice of coal

Answer 1

Answer:

Explanation:

PIECE OF COAL

AS IT IS NOT THAT MUCH HARD AS  METAL OR WE CAN SAY OTHER ITEMS ON THE LIST WHEREAS IT DOESNOT APPEAR IN THE REACTIVITY TABLE