Question

Discuss the method of separating a mixture containing chalk powder, iron filings and naphthalene.

Answer 1

Answer:

Take the remaining mixture of chalk powder and naphthalene and separate the naphthalene from chalk powder the by the process of sublimation. 4) Naphthalene will be deposited on the funnel that is used to separate naphthalene from chalk powder by the process of sublimation .

Answer 2

Sublimation separates Iron Filings

Explanation:

• On a smooth surface, Iron mixture, powder of chalk and naphthalene are spread with the help of a magnet.

• In a paper towel, the magnet was wrapped, so as to remove the iron and pulling it across the mixture.

• Chalk and salt got separated but iron stuck to it.

• The towel was removed to collect filings, by the magnet.

• Sublimation is the process by which naphthalene and chalk got separated.

• Heating the chalk and naphthalene mixture, chalk stays but naphthalene sublimates.