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NEETChemistryp Block Elements (Group 13 & 14)

What is dry ice, and how is it obtained?

Options

  1. ADry ice is a gas used for fire extinguishing, and it is obtained by burning carbon.
  2. BDry ice is solid CO 2 obtained by allowing liquified CO 2 to expand rapidly.
  3. CDry ice is a type of ice used in refrigeration, and it is obtained by freezing water vapor.
  4. DDry ice is a form of carbon obtained by heating limestone.

Correct answer

B. Dry ice is solid CO 2 obtained by allowing liquified CO 2 to expand rapidly.

Step-by-step solution

Dry ice is solid CO 2 obtained by allowing liquified CO 2 to expand rapidly.

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