What is Dry ice is

Question

Dry ice is
A. solid `NH_(3)`
B. solid `SO_(2)`
C. solid `CO_(2)`
D. solid `N_(2)`

Answer 1

Correct Answer - C
Carbon dioxide can be obtained as a solid in the form of dry ice allowing the liquified `CO_(2)` to expand rapidly
Note : Dry ice is also called cardice. It is obtained when `CO_(2)` is cooled under pressure (50-60 atm) Dry ice is used for making cold baths in the laboratory by mixing it with volatile organic solvents. It is also used as a coolant for preserving perishable articles in food industrym curing local burns and in hospitals for surgical operation of sores.