Multiple choice general knowledge

Dry ice is the second name of?

  1. Gold

  2. Silicon

  3. Solid Corbondioxide

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Dry ice is solid carbon dioxide (CO2). When carbon dioxide is frozen at -78.5°C (-109.3°F), it becomes dry ice. The term 'dry' distinguishes it from regular ice because it doesn't melt into a liquid - it sublimates directly from solid to gas. The option has a spelling error: 'Corbondioxide' should be 'Carbon dioxide'.

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