1246ChemistryMedium
Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?
AAlumina (Al2O3)
BMagnesia (MgO)
CSilica (SiO2)
DLime (CaO)
Correct answer
D. Lime (CaO)
Explanation
Lime (CaO) is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.