Represent each of the following word equations with a balanced chemical equation.
When solid calcium bisulphite is heated decomposes to solid calcium oxide, sulphur dioxide, gas and water.

Explanation

To represent the word equation "When solid calcium bisulphite is heated, it decomposes to solid calcium oxide, sulfur dioxide gas, and water" as a balanced chemical equation, follow these steps:

### Step 1: Write the Word Equation
The word equation is:
- Calcium bisulphite (solid) → Calcium oxide (solid) + Sulfur dioxide (gas) + Water

### Step 2: Identify the Chemical Formulas
- Calcium bisulphite: \( \text{Ca(HSO}_3\text{)}_2 \)
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