Which of the following compounds is present in highest percentage in cement:
Correct answer: A. Lime
- A. Lime
- B. Clay
- C. Na2O
- D. Alumina
Explanation
Lime, also known as calcium oxide (CaO), is present in the highest percentage in cement. It is a major component of cement, typically comprising around 75% of the total composition. Lime contributes to the strength and setting properties of cement.
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Industrial chemistry applies chemical reactions and material properties to the manufacture of adhesives, dyes and polymers. Coverage includes addition and condensation polymerisation, thermoplastics and thermosetting polymers, the structural basis of colour in dyes, and how adhesive composition enables bonding between surfaces.
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