Chemistry
Grade-8
Easy
Question
When liquid CO2 is cooled at –78oC, it changes into snow-white compound called as
- Ice
- White CO2
- White CO2
- None of these
Hint:
Dry Ice is solid carbon dioxide frozen to -109 degrees.
The correct answer is: White CO2
Dry Ice is solid carbon dioxide frozen to -109 degrees. It is easy to handle using insulated gloves.
When liquid CO2 is cooled at –78oC, it changes into snow-white compound called as white CO2.
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