The solution Zn2+ is not colored. What does this suggest about its electron configuration

Fine out you self hx

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

The phase where ice changes directly to gas is called sublimation 

The process is c.convection