O Level Online Courses

Chapter 13: IGCSE O Level Chemistry Exam Tests

IGCSE O Level Chemistry MCQs - Chapter 13

Speed of Reaction Trivia Questions and Answers PDF - 4

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Speed of Reaction Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: While plotting decrease in mass against time, a flat curve shows

  1. fastest reaction
  2. reaction is slower
  3. that the reaction is over
  4. that the reaction is endless

MCQ 17: Surface area is greater in

  1. small particles
  2. powdered particles
  3. larger lumps
  4. crystals

MCQ 18: Rate of reaction approximately doubles when temperature increases to approximately

  1. 50 °C
  2. 10 °C
  3. 15 °C
  4. 20 °C

MCQ 19: Factors affecting the speed of chemical reactions does not include

  1. pressure on reactants
  2. particle size of reactants
  3. concentration of reactants
  4. volume of reactants

MCQ 20: Adsorption refers to the

  1. bounding of a substance to the surface of another substance
  2. diffusion of one substance to the bulk of other substances completely
  3. boiling of liquid at the surface
  4. none of above

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O Level Chemistry App (Android & iOS)

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10th Grade Chemistry App (iOS & Android)