What is the maximum number of states of matter?

The correct answer is Option 3 (Five). In classical physics, matter was traditionally categorized into three states: Solid, Liquid, and Gas. However, modern scientific advancements recognized by the standard curriculum (NCERT) have expanded this classification to five distinct states.

• Plasma: The fourth state, consisting of superheated, ionized gas found in stars and neon signs.
• Bose-Einstein Condensate (BEC): The fifth state, formed at temperatures close to absolute zero, where atoms clump together to act as a single quantum entity.

Option 1 and 2 are incorrect because they are incomplete by modern standards. Option 4 is incorrect in the context of defined fundamental states taught in competitive examinations. While advanced physics explores exotic states like Fermionic condensates or Quark-gluon plasma, the universally accepted fundamental classification for academic purposes remains five.