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A mixture of sugar and sulphur can be separated by?

Chemistry
JAMB 2009

A mixture of sugar and sulphur can be separated by?

  • A. dissolution in water, evapouration and filtration
  • B. filtration, evaporation and dissolution in water
  • C. dissolution in water, filtration and evaporation
  • D. evaporation, dissolution in water and filtration
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Correct Answer: Option C
Explanation

Sulfur is insoluble in water but sugar is soluble.

Hence; dissolution of sugar to have sulfur as the only insoluble solid.

Filtration: The filtrate is the liquid that passes through the filtration filter. Meanwhile, the residue is the solid that remains on the filtration filter.

Evaporation: water as part of the filtrate changes into a gas to leave sugar as residue.

There is an explanation video available below.


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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995