Question

why solid carbon dioxide is known as dry ice? under what conditions can it be converted into a gas?​

Answer 1

here is your answer mate

Solid carbon dioxide is known as dry ice. Because it looks like ice and because when it “melts” (it actually sublimes) it goes from solid straight to gas, no liquid, hence dry ice. ... It is mainly used as a cooling agent because it has temperature lower than that of water ice.

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