Chemistry

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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

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Worksheet

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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

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