Chemistry

Exit Lesson

Strong and weak acids

This lesson examines the terms strong and weak, and dilute and concentrated in relation to acids. It also looks at pH in terms of hydrogen ion concentration.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.(Revision) What is the correct name for the salt formed from sodium oxide and nitric acid?

1/6

Q2.(Revision) When making a salt how is the unreacted insoluble base separated from the salt solution?

2/6

Q3.What ions do acids release in solution?

3/6

Q4.What ions do alkalis release in solution?

4/6

Q5.What is the pH of acids?

5/6

Q6.What is the name of an indicator used to measure pH of solutions?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.(Revision) What is the correct name for the salt formed from sodium oxide and nitric acid?

1/6

Q2.(Revision) When making a salt how is the unreacted insoluble base separated from the salt solution?

2/6

Q3.What ions do acids release in solution?

3/6

Q4.What ions do alkalis release in solution?

4/6

Q5.What is the pH of acids?

5/6

Q6.What is the name of an indicator used to measure pH of solutions?

6/6

Video

Play video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

Print
PDF
PPTX

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Strong and Weak Acids HT

This quiz will assess your learning from this lesson and previous lessons in chemistry.

Q1.A sodium atom loses one electron to form a positive sodium ion. Has sodium been oxidised or reduced?

1/6

Q2.What is the correct formula of nitric acid?

2/6

Q3.If an acid fully ionises it is classed as ....

3/6

Q4.What happens to hydrogen ion concentration as pH increases?

4/6

Q5.How many orders of magnitude difference is there between the concentration 3.1x10⁻⁶ and 3.1x10⁻³?

5/6

Q6.An acid has a pH of 2 and a concentration of 0.05. The same acid is made up to a concentration of 0.5, what is its pH?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Strong and Weak Acids HT

This quiz will assess your learning from this lesson and previous lessons in chemistry.

Q1.A sodium atom loses one electron to form a positive sodium ion. Has sodium been oxidised or reduced?

1/6

Q2.What is the correct formula of nitric acid?

2/6

Q3.If an acid fully ionises it is classed as ....

3/6

Q4.What happens to hydrogen ion concentration as pH increases?

4/6

Q5.How many orders of magnitude difference is there between the concentration 3.1x10⁻⁶ and 3.1x10⁻³?

5/6

Q6.An acid has a pH of 2 and a concentration of 0.05. The same acid is made up to a concentration of 0.5, what is its pH?

6/6

Lesson summary: Strong and weak acids

It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.

Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Dance

The next lesson in:
Chemical changes
is:
Titrations

Browse Oak's lessons:

SubjectsSchedule