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 the solid form of carbon dioxide (CO2), which sublimates directly from solid to gas at -78.5°C. The name 'dry ice' refers to the fact that it does not melt into a liquid like regular ice. Note the typo in option C - 'Corbondioxide' should be 'Carbon dioxide'.

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