To separate the constituents of a mixture containing A, B and C, put the mixture on a wide dish. Move a magnet over the mixture, A will be separated. Transfer the remaining mixture into a China dish and subject it to sublimation. B will be separated on heating and C is left as residue, which is insoluble in water.
The component A in the mixture is

Options

A. iron filings
B. sand
C. camphor
D. sugar

Answer

A

Explanation

Iron filings are removed by the help of magnet.