How will you separate a mixture of common salt, sulphure powder and sand?

How will you seprate a mixture of common salt, Chalk powder and powdered camphor? Explain.

How will you separate a mixture of Iodine and sand ?

How will you separte a mixture of iron filing and sulphur powder without using carbon disulphide?

How will you separte a mixture of sand and potash alum.

How will you separate a mixture of naphthalene balls powder and common salt ? Draw a neat and labelled diagram to show the process.