The genuineness of a pearl can be verified by dipping it in lemon juice. Why?

Explanation

To determine the genuineness of a pearl by dipping it in lemon juice, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Composition of Real Pearls**:
- Real pearls are primarily made of calcium carbonate (CaCO3).

2. **Understand the Composition of Lemon Juice**:
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