Question:
The chemical formula of chalk is:
The chemical formula of chalk is:
Show Hint
Calcium carbonate is widely used in construction (cement), as an antacid, and in school chalk.
Updated On: Oct 27, 2025
- MgCO$_3$
- Na$_2$CO$_3$
- CaCO$_3$
- Mg(HCO$_3$)$_2$ \bigskip
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Chalk is chemically calcium carbonate (CaCO$_3$), which is commonly found in limestone and shells.
Was this answer helpful?
0
0
Top Bihar Class X Board Science Questions
- A horizontal magnet hanging freely in air always comes to rest in
- If a compass is placed near a wire carrying electric current, the compass needle
- Faraday made many revolutionary discoveries, including
- An electric motor converts
- In Fleming's left-hand rule, the index finger of the left hand indicates
View More Questions
Top Bihar Class X Board Acids, Bases And Salts Questions
- An aqueous solution of an acid conducts electricity because acid in water
- Which of the following is not an olfactory indicator ?
- Which acid is found in ant sting?
- In which of the following is tartaric acid found ?
- What is the chemical name of slaked lime ?
View More Questions
Top Bihar Class X Board Questions
- Jim says that women use too many ........................ things.
- R. C. Hutchinson in 'The Pace for Living' describes the ........................ of modern man.
- According to Jim, nobody's willing to do anything about ........................ .
- The squirrel was considered an easy prey by the ........................ .
- The author enjoys travelling fast in a ........................ if it is not his own.
View More Questions