Boojho has learnt that non-metals on beating with a hammer are generally broken into pieces. Which of the following is a non-metal?
A. iron nail
B. aluminium wire
C. copper plate
D. piece of coal
Answer:D
Boojho has learnt that non-metals on beating with a hammer are generally broken into pieces. Which of the following is a non-metal?
A. iron nail B. aluminium wire C. copper plate D. piece of coal