Dry ice is the solid form of : (1) Air 7 (2) Carbon dioxide (3) Nitrogen (4) Water

Dry ice is the solid form of : (1) Air 7 (2) Carbon dioxide (3) Nitrogen (4) Water
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(2) Carbon dioxide Explanation: Dry ice, sometimes referred to as "cardice," is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower tem-perature than that of water ice and not leaving any residue. It is useful for preserving frozen foods, ice cream, etc., where mechanical cooling is unavailable.
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