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MCQs

Total Questions : 168 | Page 17 of 17 pages
Question 161. Components which have small value of K have affinity for
  1.    mobile phase
  2.    stationary phase
  3.    no phase
  4.    solution
 Discuss Question
Answer: Option B. -> stationary phase
Answer: (b).stationary phase
Question 162. Mobile phase can be
  1.    gas or liquid
  2.    solid or liquid
  3.    only solid
  4.    only gas
 Discuss Question
Answer: Option A. -> gas or liquid
Answer: (a).gas or liquid
Question 163. Ether layer is used to separate
  1.    fibres
  2.    inorganic impurities
  3.    organic impurities
  4.    gases
 Discuss Question
Answer: Option C. -> organic impurities
Answer: (c).organic impurities
Question 164. Filter paper is made into
  1.    cone
  2.    triangle
  3.    square
  4.    circle
 Discuss Question
Answer: Option A. -> cone
Answer: (a).cone
Question 165. Filtration is a slow process if carried by
  1.    tube
  2.    clay funnel
  3.    plastic funnel
  4.    glass funnel
 Discuss Question
Answer: Option C. -> plastic funnel
Answer: (c).plastic funnel
Question 166. Availability of filter papers is according to various
  1.    shapes
  2.    colours
  3.    dots
  4.    porosites
 Discuss Question
Answer: Option D. -> porosites
Answer: (d).porosites
Question 167. By using fluted filter paper rate of filtration is
  1.    unchanged
  2.    equal
  3.    decreased
  4.    increased
 Discuss Question
Answer: Option D. -> increased
Answer: (d).increased
Question 168. Hit and trail method is used in crystallization to choose
  1.    solvent
  2.    solute
  3.    solution
  4.    medium
 Discuss Question
Answer: Option A. -> solvent
Answer: (a).solvent

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