
Factors Affecting Reaction Rates
Interactive Video
•
Chemistry, Science, Mathematics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of graphs are commonly used in A-level chemistry to study reaction rates?
Pressure versus time
Concentration versus time
Temperature versus time
Mass versus time
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction between magnesium and sulfuric acid, what is the limiting reagent?
Magnesium
Water
Hydrogen gas
Sulfuric acid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the rate of reaction determined from a graph?
By finding the midpoint of the curve
By counting the number of peaks
By calculating the gradient of a tangent to the curve
By measuring the area under the curve
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to use a large triangle when calculating the gradient of a tangent?
To make the graph look better
To ensure accuracy in the gradient calculation
To simplify the calculation
To avoid errors in the x-axis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does increasing the temperature have on the rate of reaction?
Decreases the rate
Has no effect
Increases the rate
Stops the reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the graph when the surface area of a solid reactant is increased?
The graph shifts downwards
The graph flattens out
The gradient becomes steeper
The graph becomes a straight line
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What observation would you expect in a lab if the reaction rate increases?
Less bubbling
No change in appearance
More vigorous bubbling
The solution turns blue
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