He gave hydrogen its present name:

Options

A. Faraday
B. Lavoisier
C. Fleming
D. Cavendish

Explanation

To answer the question "He gave hydrogen its present name," we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Subject**: The question is asking about the person who named hydrogen.

2. **Recall the History of Hydrogen**: Hydrogen was first discovered and studied, but it was not named until later.

3. **Identify the Chemist**: The chemist who is credited with giving hydrogen its present name is Antoine Lavoisier.

4. **Confirm the Name**: Lavoisier is a well-known French chemist who made significant contributions to the field of chemistry, including the naming of hydrogen.

5. **Final Answer**: Therefore, the answer to the question is Antoine Lavoisier.

### Final Answer:
Antoine Lavoisier

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