Question

John has learnt that non-metals on beating with a hammer are generally broken into pieces. Which of the following is a non- metal?

Answer 1

Answer:

Iron, Copper and aluminium are metals whereas coal is a non-metal hence answer is (d) piece of coal.

Answer 2

Metals can be beaten into thin sheets (or flattened) with a hammer. Non-metals break into small pieces when hammered. So, zinc granule will be flattened on beating with a hammer.