Methods of purification Multiple Choice Questions and Answers 1 PDF Download

Methods of purification multiple choice questions (MCQs), methods of purification test prep to learn O level chemistry quiz 1 for degree certificate free online courses. Learn distillation: purification process multiple choice questions (MCQs), methods of purification quiz questions and answers. Free e-learning distillation: purification process, pure substances and mixtures, method of purification test prep for online analytical chemistry courses distance learning.

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MCQ on Methods of purification Test 1Quiz PDF Download

MCQ: Crude oil can be fractionally distilled to produce

  1. diesel
  2. petrol
  3. paraffin
  4. all of these


MCQ: Mixtures have

  1. a range of boiling points
  2. a range of melting points
  3. a lack of exact concentrations
  4. all of these


MCQ: Alternative techniques to crystallization involve

  1. decanting
  2. centrifuging
  3. filtration
  4. Both A and B


MCQ: Vacuum distillation is used

  1. under high pressures
  2. under low pressures
  3. on gentle heating
  4. upon quick heating


MCQ: When hot molten liquid cools,

  1. the first crystals are the most pure
  2. impure substances may also form the crystals
  3. it turns into gas
  4. it turns into aqueous solution