A compound 'A' is used in fire extinguishers , as an antacid and its small amount is also used in making bakery items. Identify the compound and also explain the reason for above mentioned uses of the compound 'A'.

Explanation

**Step-by-Step Solution:**

1. **Identify the Compound 'A':**
The compound referred to as 'A' is Sodium Bicarbonate, which has the chemical formula NaHCO₃.

2. **Use in Fire Extinguishers:**
Sodium Bicarbonate is used in fire extinguishers because it reacts with acids to produce carbon dioxide (CO₂). This CO₂ is non-supportive of combustion, meaning it helps to smother the fire. The reaction can be represented as follows:
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