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Edexcel GCSE Chemistry Hydroxides

Hydroxides

This page covers the following topics:

1. Sodium hydroxide reactions
2. Sodium hydroxide reactions

Dilute sodium hydroxide solution is used to test for some metal ions, which form insoluble metal hydroxides.

Sodium hydroxide reactions

Dilute sodium hydroxide solution is used to test for some metal ions, which form insoluble metal hydroxides.

Sodium hydroxide reactions

1

In ionic equations, what name is given to the ions that are not shown in the equation (i.e. ions that are not involved in the formation of the precipitate)?

In ionic equations, what name is given to the ions that are not shown in the equation (i.e. ions that are not involved in the formation of the precipitate)?

2

Write a balanced ionic equation for the formation of iron(III) hydroxide precipitate.

Write a balanced ionic equation for the formation of iron(III) hydroxide precipitate.

3

Write a balanced equation for the reaction of copper sulphate with sodium hydroxide.

Write a balanced equation for the reaction of copper sulphate with sodium hydroxide.

4

Write a balanced ionic equation to show the formation of calcium hydroxide precipitate. Include state symbols.

Write a balanced ionic equation to show the formation of calcium hydroxide precipitate. Include state symbols.

5

Precipitation reactions can be written using equations which only include ions involved in the formation of the precipitate. What are these equations called?

Precipitation reactions can be written using equations which only include ions involved in the formation of the precipitate. What are these equations called?

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