Multiple choice general knowledge science & technology

Dry ice is the second name of?

  1. Silicon

  2. Gold

  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) that sublimates directly from solid to gas at -78.5°C. It's called 'dry' because it doesn't melt into a liquid like regular ice does. The correct option has a typo.

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