General Awareness Questions

Q.  Solid Carbon dioxide is known as

a. Wet Ice
b. Dry Ice
c. Solid Ice
d. None

ANSWER: See Answer
Dry ice or Cardice is the solid form of Carbon dioxide.

1. It has the advantage of lower temperature than the water ice and doesn't leave any residue.

2. The reason why it is called as Dry ice is that unlike normal ice, it won't melt into liquid form. It directly evaporates into the air as a gas. That is Solid to gas from passing through the liquid state is a phenomenon called Sublimation.

3. The primary use of dry ice is as a cooling agent.


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