Order the following steps for separating a mixture of salt and sand:

Solution:

1. Dissolving in water: Salt dissolves in water, while sand does not. This step separates the salt from the sand.
2. Filtration: The sand can be filtered out from the salt water solution.
3. Evaporation: The water can be evaporated from the salt solution, leaving the salt behind.

Answer: 1. Dissolving in water, 2. Filtration, 3. Evaporation.