Question

The following is an example of a solid solution prepared from a liquid and a solid. 1. smoke in the air2. magnesia in milk 3. fog as water in gas (air) 4. dental filling alloy, as liquid mercury in silver

Answer 1

Dental amalgams are made mixing mercury, which is a liquid metal in room temperature, and silver metal, so we have a metal + a liquid forming a solid solution at the end. Number 4