Which substance is commonly called baking soda?
Answer and explanation
Correct answer: Sodium hydrogen carbonate
Baking soda is the common name of sodium hydrogen carbonate, whose formula is NaHCO₃. It is a mild base and is used in baking because it can release carbon dioxide under suitable conditions, helping dough rise. Sodium chloride is common salt, sodium hydroxide is a strong base, and calcium carbonate is found in materials such as limestone and chalk; therefore, option A is correct.
Frequently asked questions
What is the correct answer to this question?
Sodium hydrogen carbonate
Why is this the correct answer?
Baking soda is the common name of sodium hydrogen carbonate, whose formula is NaHCO₃. It is a mild base and is used in baking because it can release carbon dioxide under suitable conditions, helping dough rise. Sodium chloride is common salt, sodium hydroxide is a strong base, and calcium carbonate is found in materials such as limestone and chalk; therefore, option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.