Answer: The correct answer is B.
Explanation:
Plasma is a mixture of negatively and positively charged particle. It is a fourth phase of matter.
It is a phase of matter in which there is enough energy for the electrons to get separated from the nucleus.
At a very high temperature, in hydrogen gas, the electrons are separated from the protons in each hydrogen atom. Plasma is an ionized gas. So, it can conduct electricity.
Metals have free electrons. They can conduct electricity. They are electropositive in nature as they can loose electrons.
Therefore, the correct option is B.
