The starter and exit quiz of the lesson “Concentration and rate: analysis”, from the unit “Rate of reaction” (Year 10 Science) by Oak National Academy.
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Oak National Academy
12 questions
How does increasing the concentration of reactants affect the rate of reaction?
Which of the following will **not** increase the rate of reaction?
In the collision theory, what does "successful collision" mean?
What is the purpose of drawing a tangent to the curve on a rate of reaction graph?
What does a flat horizontal line on a graph of volume against time indicate?
For most reactions, when is the rate of reaction highest?
What does the gradient of the line on a graph of volume of gas produced against time represent?
When plotting a graph of the volume of gas produced against time, how would the graph change if the concentration of the reacting solution is increased?
What happens to the rate of reaction when the concentration of reactants is doubled?
How can the gradient of the curved section on a rate of reaction graph be determined at a specific point?
If you use the same mass of magnesium and react it with different concentrations of excess acid, how will this affect the volume of gas produced?
If two experiments produce the same volume of gas but one reaction takes less time to complete, what can you say about the concentration of reactants?
