What is the common name of calcium hydroxide?
Answer and explanation
Correct answer: Slaked lime
The governing concept is the relationship between chemical formulae and common names. Calcium hydroxide, Ca(OH)₂, is commonly called slaked lime, so option A is correct. It is produced when quicklime reacts with water and is also associated with limewater and whitewash. Baking soda is sodium hydrogen carbonate, washing soda is sodium carbonate decahydrate, and common salt is sodium chloride.
Frequently asked questions
What is the correct answer to this question?
Slaked lime
Why is this the correct answer?
The governing concept is the relationship between chemical formulae and common names. Calcium hydroxide, Ca(OH)₂, is commonly called slaked lime, so option A is correct. It is produced when quicklime reacts with water and is also associated with limewater and whitewash. Baking soda is sodium hydrogen carbonate, washing soda is sodium carbonate decahydrate, and common salt is sodium chloride.
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.