What happens when
Bleaching powder reacts with dilute sulphuric acid .

Explanation

To understand what happens when bleaching powder reacts with dilute sulfuric acid, we can break down the reaction step by step.

### Step 1: Identify the Reactants
Bleaching powder is chemically known as calcium oxychloride, with the formula \( \text{Ca(OCl)}_2 \) or \( \text{CaOCl}_2 \). The other reactant is dilute sulfuric acid, which has the formula \( \text{H}_2\text{SO}_4 \).

### Step 2: Write the Chemical Reaction
When bleaching powder reacts with dilute sulfuric acid, the reaction can be represented as follows:

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