A metal with shining appearance reacts with hot water and also with dilute hydrochloric acid evolving hydrogen gas. Suggest giving reason why this metal cannot be copper.

Explanation

To determine why the metal in question cannot be copper, we can analyze the properties of metals and their reactivity with water and acids.

### Step-by-Step Solution:

1. **Identify the Characteristics of the Metal:**
- The metal has a shining appearance.
- It reacts with hot water and dilute hydrochloric acid (HCl) to produce hydrogen gas.

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