A) solid\[\text{C}{{\text{O}}_{\text{2}}}\]
B) solid camphor
C) solid\[\text{S}{{\text{O}}_{\text{2}}}\]
D) solid\[\text{N}{{\text{O}}_{\text{2}}}\]
Correct Answer: A
Solution :
Solid \[\text{C}{{\text{O}}_{\text{2}}}\]is called ice because it changes to vapour state directly without changing to liquid state.
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