Dry ice is used primarily as a cooling agent. Its advantages include lower temperature than that of water ice and not leaving any residue. What is its chemical composition?

Oxygen

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Carbon dioxide

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Nitrogen

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Iron oxide

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Solution

The correct option is D Carbon dioxide
Dry Ice is frozen carbon dioxide. Dry Ice is particularly useful for freezing, and keeping things frozen because of its very cold temperature: -109.3°F or -78.5°C.
Dry Ice is widely used because it is simple to freeze and easy to handle using insulated gloves.
Dry Ice changes directly from a solid to a gas in normal atmospheric conditions without going through a wet liquid stage. Therefore, it gets the name "dry ice."

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Similar questions

Dry ice is the solid form of carbon dioxide and is used as a refrigerant.

({C O}_{2})

Give reasons :

(a) Water is used as a cooling agent.

(b) Water pipes burst in severe winters.

(d) Ice floats on water.

(e) Sea water does not freeze at 0 $^{\circ}$ C.

If water is made from hydrogen and oxygen molecules then how can dry ice be made of carbon dioxide? What actually is dry ice?

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