IGCSE O Level Chemistry Practice Test 37

Fast and Slow Reactions Quiz Questions and Answers PDF - 37

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Fast & Slow Reactions Questions and Answers PDF Download: Quiz 37

MCQ 181: Milk turns sour due to

conversion of lactose in lactic acid
conversion of lactic acid into lactase
conversion of lactic acid into lactose
none of above

MCQ 182: If a piece of blood-rich liver is dipped in hydrogen peroxide, the gas given off is

hydrogen
water vapors
CO
Oxygen

MCQ 183: Acid shows red color with

litmus indicator
universal indicator
methyl orange indicator
all of above

MCQ 184: Speed of a reaction can be measured through

temperature
pressure
concentration
a pH change

MCQ 185: Electricity is not conducted by

plastic
non-metals
solid ionic substances
all of above

IGCSE O Level Chemistry Exam Prep Tests

Valence Electrons MCQs

pH Scale: Acid and Alkali MCQs

Properties: Bases and Reactions MCQs

Dissolving, Filtering and Evaporating MCQs

Ionic and Covalent Substances MCQs

Change of State MCQs

Methods of Purification: Sublimation MCQs

Strong and Weak Acids MCQs

Reactants MCQs

Acidity or Alkalinity MCQs

Chemical and Ionic Equations MCQs

Oxidation and Reduction MCQs

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