Solid NaCl is a ------------ conductor of electricity.

Expalain why- Graphite is a good conductor of electricity?

Describe an activity to show that thermplastic is a poor conductor of electricity.

Name one non-metal which is a good conductor of heat and electricity.

State whether the following statements are true or false: All non-metals are bad conductors of electricity.

Graphite is a good conductor of electricity but diamond is not. Why?