Question

Which of the following is the main ingredient of cement?

• A. Limestone
• B. Silica Clay
• C. Gypsum
• D. Ash

Hint:

Cement production requires a mixture of limestone, clay, and other minerals like gypsum to achieve the right chemical composition.

Answer 1

The Correct Option is A

The main ingredient of cement is limestone, which is primarily composed of calcium carbonate (CaCO₃) and is used in the production of lime during the cement manufacturing process.