IGCSE O Level Chemistry Certification MCQs – Mock Test 63

Pure Substances and Mixtures Notes Questions with Answers PDF Download – Test 63

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Pure Substances & Mixtures MCQs – Mock Test 63 PDF Download

MCQ 311: Elevation of boiling points occur due to:

presence of impurities
reduced pressure
high pressure
lower rate of evaporation

MCQ 312: Water-soluble gases do not include:

ammonia
carbon dioxide
hydrogen
oxygen

MCQ 313: Range of −5 ^oC to −25 ^oC is of:

depression of freezing point of ice
latent heat of freezing
melting salted ice
melting pure ice

MCQ 314: The distillate is a liquid that:

mixes together
condenses after distillation
does not sink due to very fine particles
a substance that will not dissolve

MCQ 315: When Sodium Hydroxide (NaOH) reacts with Copper Sulfate (CuSO₄), spectator ions will be:

sodium and copper
Copper and hydroxide
sodium and sulfate
sulfate and hydroxide

Pure Substances & Mixtures Notes App & eBook – IGCSE O Level Chemistry Certification Guide

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