Question

Which of the following undergoes sublimation?

• A. $\ce{AlCl_3}$
• B. $\ce{NH_4Cl}$
• C. Dry ice
• D. All of these

Answer 1

Answer: (D)

All of these

Answer 2

${Al_Cl_3, NH_4Cl}$ and dry ice (solid ${CO_2}$) all sublime on heating.