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Describe a procedure to separate a mixture of salt, finely ground pepper and pebbles.

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In my opinion, I would add water to the mixture, salt will dissolve, pepper will float and pebbles will sink to the bottom. You may use a sifter to sift the pepper off the top. To the remaining mixture, add water and use a wire filter to separate the pebble from the salt. You can now use a heater to heat the remaining mixture of salt and water. Water will evaporate leaving salt by itself.

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oooh... love it!
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