Electrolysis of molten compounds

This lesson will look at the process of electrolysis and then predicting the products of electrolysis of molten ionic compounds.

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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

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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:

Electrolysis of Molten Compounds

This quiz will assess your understanding of this lesson and other lessons in this unit.

Q1.(Revision) Four different metals were reacted with acid and the temperature increase was recorded. Each time 25cm³ of 1 mol/dm³ of sulfuric acid was used. Which is an example of a control variable in this experiment?

1/7

Q2.(Revision) When making a salt from an insoluble base. Why must the base be added in excess?

2/7

Q3.What does electrolysis mean?

3/7

Q4.What is the name of the negative electrode in electrolysis?

4/7

Q5.Why does the electrolyte in electrolysis need to be molten or dissolved?

5/7

Q6.What charged ions do non-metals form?

6/7

Q7.What would be the correct products of the electrolysis of molten magnesium bromide?

7/7

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:

Electrolysis of Molten Compounds

This quiz will assess your understanding of this lesson and other lessons in this unit.

Q1.(Revision) Four different metals were reacted with acid and the temperature increase was recorded. Each time 25cm³ of 1 mol/dm³ of sulfuric acid was used. Which is an example of a control variable in this experiment?

1/7

Q2.(Revision) When making a salt from an insoluble base. Why must the base be added in excess?

2/7

Q3.What does electrolysis mean?

3/7

Q4.What is the name of the negative electrode in electrolysis?

4/7

Q5.Why does the electrolyte in electrolysis need to be molten or dissolved?

5/7

Q6.What charged ions do non-metals form?

6/7

Q7.What would be the correct products of the electrolysis of molten magnesium bromide?

7/7

Lesson summary: Electrolysis of molten compounds

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