IGCSE O Level Chemistry MCQs – Practice Test 6 (Chapter 13)

Speed of Reaction MCQ with Answers PDF Download – Test 6

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Speed of Reaction MCQ with Answers PDF Download: Quiz 6

MCQ 26: Hydrogenation of alkenes in margarine manufacturing requires catalyst of:

vanadium oxide
iron
platinum
nickel

MCQ 27: Flour mills and coal mines need to be well ventilated because:

the surface area of coal and flour needs to be digged out
coal and flour particles are scattered in the form of lumps
coal and flour particles are scattered in the form of powder
coal and flour particles can get ignited very easily

MCQ 28: Sugar cubes dissolve more slowly in hot drink than the granulated sugar because:

surface area of sugar cubes is less
surface area of sugar is more
sugar cubes are acidic
sugar cubes are basic

MCQ 29: According to collision theory, an increase in temperature increases:

kinetic energy of reactants only
heat energy of reactants only
mass of the reactants
kinetic energy and heat energy of reactants

MCQ 30: Nitric Acid (HNO₃) manufacturing requires catalyst of:

vanadium oxide
iron
platinum
nickel

Speed of Reaction MCQ App & e-Book – IGCSE O Level Chemistry Entrance Exam

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