With reference to 'Baking Soda', which of the following statements is/are correct?
1. It is Sodium hydrogen carbonate.
2. It is used in fire extinguishers.
Select the correct answer from the code given below:
- AOnly 1
- BBoth 1 and 2
- CNeither 1 nor 2
- DOnly 2
Show answer and explanation
Correct answer: (b) Both 1 and 2
Explanation
Baking soda is sodium hydrogen carbonate (NaHCO₃), also called sodium bicarbonate – statement 1 correct.
It is used in fire extinguishers: on heating it decomposes to release CO₂, which smothers the flame – statement 2 correct.