The oxide of which of the following elements is used as a coolant ........

General Science (Easy) Chemistry

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The oxide of which of the following elements is used as a coolant?

Silicon

Nitrogen

Carbon

Phosphorus

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Explanation:

Carbon

The most important property of carbon dioxide as a coolant is that, when expanded to the atmosphere, a portion of the liquid becomes gas, while the consequent cooling, due to the absorption of the latent heat of vaporization, converts a further portion of the liquid to solid CO2 in the form of 'snow'.