IGCSE O Level Chemistry MCQs - Chapter 9

Methods of purification Quiz Questions and Answers PDF - 15

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The Quiz: Diazo reagent is used as a locating agent in the chromatography of; "Methods of purification" App Download iOS & Android (Free) with answers benzoic acids, picric acids, phenolic acids and salicylic acid to study online schools courses. Study paper chromatography quiz questions, download Amazon eBook (Free Sample) for colleges that offer online classes.

Methods of purification Questions & Answers PDF Download: MCQ Quiz 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

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