Write an activity to show the reaction of acids with metal carbonates and metal hydrogen carbonate salts.

Explanation

### Activity to Show the Reaction of Acids with Metal Carbonates and Metal Hydrogen Carbonates

**Objective:** To demonstrate the reaction of acids with metal carbonates and metal hydrogen carbonate salts, and to observe the evolution of carbon dioxide gas.

#### Materials Required:
1. Hydrochloric acid (HCl)
2. Sodium carbonate (Na2CO3)
3. Sodium hydrogen carbonate (NaHCO3)
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