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 using the code given below.

उत्तर देखें और व्याख्या

उत्तर: (D) Both 1 and 2

व्याख्या

Baking soda is NaHCO3; soda-acid fire extinguishers use it to release CO2 when mixed with acid.