M_Rates of reaction (concentration only)

M_Rates of reaction (concentration only)

9th - 12th Grade

20 Qs

quiz-placeholder

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M_Rates of reaction (concentration only)

M_Rates of reaction (concentration only)

Assessment

Quiz

Chemistry

9th - 12th Grade

Hard

Created by

Richard Avadanutei

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an increase in concentration of a dissolved reactant affect the rate of reaction?
Rate of reaction increases
Rate of reaction decreases
Rate of reaction does not change
Rate of reaction stops

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Why does an increased concentration of a dissolved reactant increase the rate of reaction?
The increased concentration means there will be a higher rate of successful collisions between reactants
The increased concentration means there will be more successful collisions between reactants
The increased concentration means there will be a higher frequency of successful collisions between reactants
The increased concentration means there will be a higher rate of collisions between reactants

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Experiment to investigate how the rate of reaction varies with the concentration of the dissolved reactant:
Sodium thiosulphate and hydrochloric acid at different temperatures (wait for X to disappear)
Hydrochloric and marble chips practical to generate volume of CO₂ produced
Sodium thiosulphate and hydrochloric acid at different volume ratios of water:acid (wait for X to disappear)
Hydrogen peroxide with potassium iodide and washing up liquid to see how much foam is produced

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does an increase in pressure of a gaseous reactant affect the rate of reaction?
Rate of reaction increases
Rate of reaction decreases
Rate of reaction does not change
Rate of reaction stops

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Why does an increased pressure of a gaseous reactant increase the rate of reaction?
The increased pressure means that there will be a higher rate of successful collisions
The increased pressure means that there will be more successful collisions
The increased pressure means that there will be a higher frequency of successful collisions
The increased pressure means that there will be a higher rate of collisions

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Which one of these is more concentrated?
Solution B
Solution C
They have the same concentration

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Which one of these is more concentrated?
Solution B
Solution A
They have the same concentration

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