IGCSE O Level Chemistry MCQs - Chapter 9

Methods of purification Trivia Questions and Answers PDF - 12

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Methods of purification Questions & Answers PDF Download: MCQ Quiz 12

MCQ 56: An easy way to separate soluble and insoluble solids is

filtration
decanting
sublimation
distillation

MCQ 57: Filtration is useful when

only one solid is soluble
both solids are soluble
both solids are insoluble
when both liquids are miscible

MCQ 58: In chromatography, a locating agent is a chemical that reacts to produce a

condensed solution
concentrated solution
visible colored product
range of pH colors

MCQ 59: If Ammonium Chloride (NH₄Cl) and Sodium Chloride (NaCl) are heated gently,

ammonium salt becomes a gas
gaseous ammonia will become solid on a glass funnel
sodium chloride is left behind
all of above

MCQ 60: Solvent refers to the

gas that will dissolve
solid which dissolves
liquid which does the dissolving
liquid that is dissolved

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