Chemistry Gases BUMHS 2024
PMDC Verified Question 15 of 65
Which of the following is NOT the state of matter?
A
Plasma
B
Liquids
C
Gases
D
Ether
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: Ether
Concept:

Matter exists in several distinct physical states depending on the temperature and pressure conditions, primarily defined by the arrangement and kinetic energy of their particles.

Solution:

  • The four fundamental states of matter commonly observed in the universe are Solid, Liquid, Gas, and Plasma (highly ionized gas).


  • Ether (in modern chemistry) is a specific class of organic liquid compounds containing an oxygen atom connected to two alkyl or aryl groups (e.g., diethyl ether).


  • Historically, "aether" was also a debunked physics concept regarding the medium of space. In neither context is it a fundamental "state" of matter.


Why other options are incorrect:

  • Options A, B, & C: Plasma, Liquids, and Gases are universally recognized fundamental physical states of matter.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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