Page 91 - Chemistry_Form_2

Chemistry
for Secondary Schools

Note: Insoluble ionic compounds, gases, and liquids should not be split into ions.
3. Cancel out ’spectator’ ions (ions that appear unchanged on both sides).

4. Write the net ionic equation.

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Example 4.3
Write a net ionic equation for the reaction between aqueous solutions of silver
nitrate and calcium chloride.
Steps to write the net ionic equation

1. Write the balanced formula equation:

2. Write the complete ionic equation:

3. Identify and remove spectator ions:

4. Write the net ionic equation:

Example 4.4
Write a net ionic equation for the reaction of barium chloride with sodium
sulfate aqueous solutions.

Steps:

1. Write the balanced formula equation

2. Write the complete ionic equation:

3. Identify and remove spectator ions:

4. Write the net ionic equation:

84 Student’s Book Form Two

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CHEMISTRY FORM TWO NEW 2025 DUMMY.indd 84