Which of the following methods will separate water from muddy water?

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RRB ALP CBT I 29 Aug 2018 Shift 2 Official Paper
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  1. Filtration
  2. Separating funnel
  3. Distillation
  4. Crystallization

Answer (Detailed Solution Below)

Option 1 : Filtration
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Detailed Solution

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The correct answer is Filtration

Key Points

  • Filtration is when solid particles in a liquid or gaseous fluids are removed and the liquid is passed through a membrane.
  • It is also called Sedimentation which separates water from mud or sand. Hence option 1 is correct.
    • In this heavier impurities present in the water settle down after some time which makes it easier to filter.
  • A separating funnel is used to separate two immiscible liquids
    • When two immiscible liquids are placed in a separatory funnel, two layers are seen. The denser solvent will be at the bottom.

Additional Information

  • Distillation is a process that separates two or more components by converting liquid into a vapour and then subsequently condenses back the vapour into a liquid state.
  • Crystallization is a process that happens when a material solidifies from a liquid. 
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