It’s c had this problem last week
First, you mix the salt and sand with water, so the salt dissolves. Next, you filter the sand out, so you have the slat water and sand separated. Then, you evaporate the water, leaving the salt behind.
Answer:
Lithium,Sodium,Potassium all belong to transition metals
T-butyl alcohol boiling point 82.4*C, 356 K, 180*F
N-butyl alcohol boiling point 117.2*C
