IGCSE O Level Chemistry MCQs – Practice Test 15 (Chapter 9)

Methods of purification Quiz with Answers PDF Download – Test 15

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Methods of purification Exam Questions and Answers PDF Download: Test 15

MCQ 71: Diazo reagent is used as a locating agent in the chromatography of:

picric acids
benzoic acids
phenolic acids
salicylic acid

MCQ 72: What is true about fractional distillation?

it cannot separate liquids whose boiling points are close
it can separate liquids whose boiling points are close
it can separate liquids whose boiling points are very high
none of above

MCQ 73: Liquid-liquid miscible mixtures can be separated through:

chromatography only
fractional distillation only
filtration
chromatography and fractional distillation

MCQ 74: In fractional distillation, a large surface area for condensation is provided through a:

thermometer
water bath
fractionating column
reflux condenser

MCQ 75: Liquids that do not mix and can be separated in a separating funnel are called:

miscible
residue
sublimate
immiscible

Methods of purification Quiz App & e-Book – IGCSE O Level Chemistry Study Material

Speed of Reaction MCQs

Energy from Chemicals MCQs

Particles of Matter MCQs

Methods of purification MCQs

Elements, Compounds and Mixtures MCQs

Structure of Atom MCQs

Chemical Formulae and Equations MCQs

Salts and Identification of Ions and Gases MCQs

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