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 (transitions directly from solid to gas) at -78.5°C. It is called 'dry' because it does not melt into a liquid like regular ice.

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