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 C left as residue in the China dish is

Options

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

Answer

D

Explanation

Sand is left as residue on China dish after camphor is separated.