Methods of purification Multiple Choice Questions and Answers 2 PDF Download

Methods of purification multiple choice questions (MCQs), methods of purification test prep to learn O level chemistry quiz 2 for degree certificate free online courses. Learn dissolving, filtering and evaporating multiple choice questions (MCQs), methods of purification quiz questions and answers. Free e-learning tutorial on dissolving, filtering and evaporating, methods of purification: sublimation, paper chromatography test prep for online organic chemistry online courses distance learning.

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MCQ on Methods of purification Test 2Quiz PDF Download

MCQ: While forming crystals, it is important to

  1. evaporate to dryness to get purest possible crystals
  2. attach the gas syringes to collect fumes
  3. not evaporate the water of crystallization
  4. use high flames

C

MCQ: Condensed solid produced during sublimation is

  1. crystals
  2. sublimate
  3. residue
  4. insoluble

B

MCQ: Larger crystals can be obtained if the

  1. evaporation is at high temperature
  2. evaporation rate is slow
  3. evaporation rate is fast
  4. evaporation speed remains stable

B

MCQ: Chromatography can be used to

  1. form mixtures
  2. change mixture compositions
  3. separate mixtures into pure substances
  4. all of these

C

MCQ: Phase that never gains in sublimation is

  1. solid
  2. liquid
  3. gas
  4. vapors

B