Multiple choice

In what form carbon dioxide is stored in cylinders?

  1. In liquid state at high pressure

  2. In gaseous state at low pressure

  3. In liquid state at low pressure

  4. In gaseous state at high pressure
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon dioxide gas is stored in metal cylinders in a liquid state under high pressure. When the valve is opened, the pressure drops and the liquid vaporizes into gas.

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