MCQ
Direction: Question is based on the following flow chart which gives the techniques a student adopted to separate the constituents of a mixture.

What is substance $Q?$
  • A
    Sugar.
  • Chalk powder.
  • C
    Alcohol.
  • D
    Oxygen.

Answer

Correct option: B.
Chalk powder.

$Q$ should be a substance that is solid and insoluble in water i.e., chalk powder.

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