Plasma is_____________________?
Correct answer: C. Nothing but ionised gas
- A. A high temperature neutral gas
- B. A source of steady and highest controllable pressure
- C. Nothing but ionised gas
- D. Formed at very low temperature
Explanation
Plasma is a high-temperature state of matter containing freely moving ions and electrons, so it is commonly described as ionised gas. Although it is nearly electrically neutral overall, it is not an ordinary neutral gas.
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