How will you separate a mixture of common salt $(A)$,camphor $(B)$ and iron filings $(C)$? Describe the process.
(N/A) To separate the mixture of common salt,camphor,and iron filings,follow these steps:
$1$. Magnetic Separation: Move a magnet over the mixture. Since iron filings $(C)$ are magnetic,they will be attracted to the magnet and can be separated from the mixture.
$2$. Sublimation: The remaining mixture contains common salt and camphor. Heat the mixture in a china dish. Camphor $(B)$ is a sublimable substance,meaning it changes directly from a solid to a gas upon heating. Place an inverted funnel over the dish to collect the camphor vapors,which will solidify on the cool inner walls of the funnel.
$3$. Residue: The common salt $(A)$ does not sublime and will remain as a residue in the china dish.
$1$. Magnetic Separation: Move a magnet over the mixture. Since iron filings $(C)$ are magnetic,they will be attracted to the magnet and can be separated from the mixture.
$2$. Sublimation: The remaining mixture contains common salt and camphor. Heat the mixture in a china dish. Camphor $(B)$ is a sublimable substance,meaning it changes directly from a solid to a gas upon heating. Place an inverted funnel over the dish to collect the camphor vapors,which will solidify on the cool inner walls of the funnel.
$3$. Residue: The common salt $(A)$ does not sublime and will remain as a residue in the china dish.
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