Solid C O_2 is known as dry ice, because - Vidyadip

MCQ

Solid $C{O_2}$ is known as dry ice, because

A
It melts at $0\,^°C$
B
It evaporates at $40\,^°C$
✓
It evaporates at $ - 78\,^\circ C$ without melting
D
Its boiling point is more than $199\,^°C$

✓

Answer

Correct option: C.

It evaporates at $ - 78\,^\circ C$ without melting

c
(c) Solid $C{O_2}$ is knows as dry ice because it evaporates at $-78\,^°C$ without changing in the liquid state.

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