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Dry ice is the solid form of _____________

(a) carbon dioxide

(b) Sulphur dioxide

(c) ammonium choride

(d) carbontetraoxide

I got this question during an online interview.

I would like to ask this question from Heat Transfer Applications topic in portion Heat Transfer Applications of Food Processing Unit Operations

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The correct choice is (a) carbon dioxide

For explanation: Dry ice is the solid form of carbon dioxide. It is widely used as cooling agent. The advantages of using dry ice are that it has lower temperature compared to water ice and it does not leave any residue.

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