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Railways PYQCBT 2 2017

RRB NTPC · Question 105

In general, physical classification of states of matter does not included the ______ state.

  1. Colloidal

  2. Gaseous

  3. Liquid

  4. Solid

Show answer & explanation

Answer: (A) Colloidal

Explanation

The basic physical states of matter are solid, liquid and gas. A colloid is a type of mixture (particles dispersed in a medium), not a state of matter.