A metal X is found in the form of ribbon in the chemistry lab. It burns in the presence of oxygen with a bright dazzling light to form a white solid Z.
Identify X and Z

Explanation

To solve the question, we need to identify the metal X and the white solid Z formed when it burns in the presence of oxygen.

### Step-by-Step Solution:

1. **Identify the Metal X**:
- The problem states that the metal X is found in the form of a ribbon in the chemistry lab. A common metal that is available in ribbon form is magnesium.

2. **Burning of Metal X**:
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