placeholder image to represent content

Ch8.3/8.4 Chemical reactions

Quiz by Alison Tandy

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes
10 questions
Show answers
  • Q1
    The substances you begin with in a chemical reaction are:
    Reactants
    Products
    30s
  • Q2
    In this word equation, what are the reactants? oxygen + iron --> iron oxide
    iron and iron oxide
    iron oxide
    oxygen and iron
    oxygen and iron oxide
    30s
  • Q3
    The substances you end with in a chemical reaction are called:
    Products
    Reactants
    30s
  • Q4
    In this word equation, what are the products? oxygen + iron --> iron oxide
    iron and iron oxide
    oxygen and iron oxide
    iron oxide
    oxygen and iron
    30s
  • Q5
    What is the correct word equation for magnesium reacting in hydrochloric acid to release bubbles of hydrogen gas in magnesium chloride?
    magnesium + hydrogen gas --> hydrochloric acid + magnesium chloride
    magnesium + hydrochloric acid --> hydrogen gas + magnesium chloride
    hydrogen gas + magnesium chloride --> magnesium + hydrochloric acid
    30s
  • Q6
    What is meant by 'reaction rate'?
    The quantity of a product given by a reaction
    The quantity of reactants used to make a reaction
    The speed of a reaction
    30s
  • Q7
    A substance that speeds up a reaction but is not used up or changed in the reaction is called a:
    product
    reactant
    catalyst
    30s
  • Q8
    When a catalyst is made by a living thing to speed up digestion, it is called:
    a reactant
    a biologist
    an enzyme
    30s
  • Q9
    Which of the following actions will speed up the rate of reaction?
    increasing the quantity or surface area of reactants
    removing a catalyst
    cooling it down
    30s
  • Q10
    Which of the following actions will slow down the rate of reaction?
    Adding a catalyst
    Increasing the quantity or surface area of reactants
    Cooling it
    30s

Teachers give this quiz to your class