What is the chemical name of baking soda?
Answer and explanation
Correct answer: Sodium hydrogen carbonate
The governing concept is the identification and use of common salts. Baking soda is the common name for sodium hydrogen carbonate, whose chemical formula is NaHCO₃. When heated, it produces carbon dioxide, and this gas helps dough or batter rise. Sodium chloride is common salt, calcium carbonate is found in substances such as limestone, and calcium sulphate hemihydrate is plaster of Paris. Thus, option B is correct.
Frequently asked questions
What is the correct answer to this question?
Sodium hydrogen carbonate
Why is this the correct answer?
The governing concept is the identification and use of common salts. Baking soda is the common name for sodium hydrogen carbonate, whose chemical formula is NaHCO₃. When heated, it produces carbon dioxide, and this gas helps dough or batter rise. Sodium chloride is common salt, calcium carbonate is found in substances such as limestone, and calcium sulphate hemihydrate is plaster of Paris. Thus, option B 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.
