When is a reaction rate fastest?
Rates of reaction

Quiz
•
Science
•
1st - 10th Grade
•
Hard
Kerry Hough
Used 14+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At the start
In the middle
Towards the end
It is the same rate all the way through
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must ALWAYS be measured to calculate the rate of reaction?
Mass of product
Mass of reactant
Volume of gas produced
Time
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the volume of a gas be measured?
Beaker
Measuring cylinder
Gas syringe
Volumetric Pipette
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following happens to speed up a reaction by increasing the temperature?
Particles have more kinetic energy
Particles collide more
Particles collide more frequently
There are more successful collisions
The particles have more activation energy
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following happens when concentration of acid is increased when magnesium reacts with sulfuric acid?
Particle move faster
Particles gain more energy
There are more particles
There are more particles in the same volume
There are more frequent collisions
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Why does powdered calcium carbonate react faster than lumps of calcium carbonate?
Powder particles have more energy
There is a greater surface area with a powder
Particles move faster in a powder
More frequent collisions happen
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
How does a catalyst increase the rate of a reaction?
It lowers activation energy
It provides an alternative route/path for the reaction
There will be more successful collisions
The catalyst gives energy to the reactants
8.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
210cm3 of gas is produced by a reaction in 2 minutes. The rate of reaction is __________________cm3/second
9.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
If a reaction is taking place, and the measurements are g of solid used and seconds, the units for this reaction are _____
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