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MCQs

Total Questions : 168 | Page 1 of 17 pages
Question 1. Solvent extraction works under principle of
  1.    Distribution law
  2.    chromatography
  3.    sublimation
  4.    separation law
 Discuss Question
Answer: Option A. -> Distribution law
Answer: (a).Distribution law
Question 2. To filter precipitates needed to be ignited we use
  1.    Gooch crucible
  2.    sintered glass crucible
  3.    clay crucible
  4.    plastic crucible
 Discuss Question
Answer: Option A. -> Gooch crucible
Answer: (a).Gooch crucible
Question 3. Chromatography is derived from word which means
  1.    special writing
  2.    colour writing
  3.    ink writing
  4.    black writing
 Discuss Question
Answer: Option B. -> colour writing
Answer: (b).colour writing
Question 4. Sublimation is used to purify
  1.    plasma
  2.    gases
  3.    solids
  4.    liquids
 Discuss Question
Answer: Option C. -> solids
Answer: (c).solids
Question 5. Solvent extraction is done with help of
  1.    conical flask
  2.    water bath
  3.    separating funnel
  4.    test tubes
 Discuss Question
Answer: Option C. -> separating funnel
Answer: (c).separating funnel
Question 6. Medium used for filtration is
  1.    Filter paper
  2.    paper
  3.    wax
  4.    tissue paper
 Discuss Question
Answer: Option A. -> Filter paper
Answer: (a).Filter paper
Question 7. Solid which undergoes sublimation is
  1.    argon
  2.    iodine
  3.    sodium chloride
  4.    water
 Discuss Question
Answer: Option B. -> iodine
Answer: (b).iodine
Question 8. Stationary phase forms a thin
  1.    film
  2.    coating
  3.    slide
  4.    cover
 Discuss Question
Answer: Option A. -> film
Answer: (a).film
Question 9. Cooling during crystallization must be done at
  1.    fast rate
  2.    slow rate
  3.    moderate rate
  4.    very high rate
 Discuss Question
Answer: Option C. -> moderate rate
Answer: (c).moderate rate
Question 10. Paper chromatography is done by
  1.    5 ways
  2.    2 ways
  3.    3 ways
  4.    4 ways
 Discuss Question
Answer: Option C. -> 3 ways
Answer: (c).3 ways

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