What is the chemical formula of Calcium Carbonate?

This question was previously asked in
SSC GD Constable (2022) Official Paper (Held On : 11 Jan 2023 Shift 1)
View all SSC GD Constable Papers >
  1. CaSO4
  2. CaCO3
  3. CaCO2
  4. CaO

Answer (Detailed Solution Below)

Option 2 : CaCO3
Free
SSC GD General Knowledge and Awareness Mock Test
3.4 Lakh Users
20 Questions 40 Marks 10 Mins

Detailed Solution

Download Solution PDF

The correct answer is Option 2

Key Points

  • CaCO3:
    • This is the correct chemical formula for Calcium Carbonate.
    • It consists of one calcium ion (Ca2+) bonded to one carbonate ion (CO32-).
    • Calcium carbonate is a naturally occurring compound and is the main component of minerals such as limestone, marble, and chalk.
    • It is widely used in industries such as construction, manufacturing, agriculture, and as a dietary supplement. 

Additional Information

  • CaSO4:
  • This is the chemical formula for Calcium Sulfate.
  • It consists of one calcium ion (Ca2+) bonded to one sulfate ion (SO42-).
  • Calcium sulfate is commonly found as the mineral gypsum and is used in various applications, including construction materials and as a food additive.
  • CaO:
  • This is the chemical formula for Calcium Oxide, also known as quicklime or burnt lime.
  • It consists of one calcium ion (Ca2+) bonded to one oxygen ion (O2-).
  • Calcium oxide is a white, caustic, alkaline crystalline solid.
  • It is commonly used in various applications, including as a desiccant, in cement production, and as a component in certain chemical processes.
Latest SSC GD Constable Updates

Last updated on Jun 26, 2025

-> The Staff Selection Commission has released the SSC GD 2025 Answer Key on 26th June 2025 on the official website.

-> The SSC GD Notification 2026 will be released in October 2025 and the exam will be scheduled in the month of January and February 2026.

-> The SSC GD Merit List is expected to be released soon by the end of April 2025.

-> Previously SSC GD Vacancy was increased for Constable(GD) in CAPFs, SSF, Rifleman (GD) in Assam Rifles and Sepoy in NCB Examination, 2025. 

-> Now the total number of vacancy is 53,690. Previously, SSC GD 2025 Notification was released for 39481 Vacancies. 

-> The SSC GD Constable written exam was held on 4th, 5th, 6th, 7th, 10th, 11th, 12th, 13th, 17th, 18th, 19th, 20th, 21st and 25th February 2025. 

-> The selection process includes CBT, PET/PST, Medical Examination, and Document Verification.

-> The candidates who will be appearing for the 2026 cycle in the exam must attempt the SSC GD Constable Previous Year Papers. Also, attempt SSC GD Constable Mock Tests.

Get Free Access Now
Hot Links: teen patti download teen patti dhani teen patti yas