What happens when Mg and Al reacts with dil. HCl ? Give reaction.

Explanation

### Step-by-Step Solution:

1. **Identify the Reactants**: The metals we are considering are Magnesium (Mg) and Aluminium (Al), and the acid is dilute Hydrochloric acid (HCl).

2. **Understand the Reaction Type**: When metals react with acids, they typically produce a salt and hydrogen gas. The general reaction can be represented as:
\[ \text{Metal} + \text{Acid} \rightarrow \text{Salt} + \text{Hydrogen gas (H}_2\text{)} \]
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