McqMate
| Q. |
Dry ice is – |
| A. | solid ammonia |
| B. | solid sulphur dioxide |
| C. | dry carbon dioxide gas |
| D. | solid carbon dioxide |
| Answer» D. solid carbon dioxide | |
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Explanation: Dry ice is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower temperature 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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