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NDA 2025
Exam
NDA
Year
2025
Subject
General Ability
Chapter
General Science

NDA 2025 · General Ability · General Science

Which one of the following is also known as Dry ice in its solid...

Which one of the following is also known as Dry ice in its solid form?

Options

  1. ASiO2SiO_2
  2. BCO2CO_2
  3. CCaOCaO
  4. DMgOMgO

Correct answer

B. CO2CO_2

Step-by-step solution

Solid carbon dioxide (CO_2)iscommonlyknownasdryice.Itiscalleddryicebecauseitsublimesdirectlyfromasolidstatetoagaseousstatewithoutpassingthroughaliquidphaseundernormalatmosphericpressure.<br><br>Answer:) is commonly known as dry ice. It is called dry ice because it sublimes directly from a solid state to a gaseous state without passing through a liquid phase under normal atmospheric pressure.<br><br>Answer:CO_2
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