Martha mixed some marble powder with dry ice. On keeping the mixture in open air for a few minutes, the dry ice vanished and only the dry powder was left behind.
The dry ice vanished because of
The dry ice gets directly converted from the solid state to the gaseous state, without passing through the liquid state. This process is known as sublimation.
The correct answer is B.
If normal ice had been kept in place of the dry ice, and exposed to room temperature for a few minutes, then it would result in the
What is dry ice, why it is called as dry ice?