Question

Q.2A) Give Scientific reason. (Any two)
(4
1) Graphite is a conductor of electricity,
2) The roof of a movie theatre and a conference hall is
Curved.
3) You must have seen the mirrors displayed in the Laughtin
Chamber in a fair? Your face appears disterted in
these mirrors. Why does this happen?
B) Answer the following subquestion. (Any three) (
1) Uses of Diamonds ?
2) What is meant by radioactivity?
3) Write down properties of teflon.​

Answer 1

1. because its structure is hexagonal and it has free electrons