Baking soda (sodium hydrogen carbonate) has the formula:
ANa₂CO₃
BNa₂CO₃·10H₂O
CNaHCO₃
DNaOH
Answer & Solution
Correct answer: C. NaHCO₃
1. Baking soda: NaHCO₃.
2. Mildly basic; used in baking, fire extinguishers, antacids.
3. When heated: 2 NaHCO₃ → Na₂CO₃ + H₂O + CO₂ (the CO₂ makes cakes rise).
_Source: NCERT Class 10 Science Ch 2 §2.4.2 Baking Soda_
Related questions
A honey bee sting injects an acid. The pain can be relieved by applyingWhile diluting a concentrated acid, the correct and safe practice is to addThe formula of washing soda isOn strong heating, baking soda gives sodium carbonate, water andThe chemical name of baking soda isBleaching powder is represented by the formulaThe three products of the chloro-alkali process are sodium hydroxide, hydrogen andIn the chloro-alkali process, electricity is passed through