Separating the Components of a Mixture

Which of the following processes is used to separate the components of a mixture of sulphur and charcoal ?

What is the correct order of the methods you would apply to separate the components of a mixture of ammonium chloride, common salt and sand ?

Describe the process for the separation of the components of a mixture of naphthalene and ammonium chloride .

You are given a mixture of sand , water and mustart oil .How will you separate the components of this mixture ?