Which of the following adds quick-setting property to cement?
A. Magnesium oxide
B. Silicon dioxide
C. Iron oxide
D. Aluminiumoxide
Answer:D
Which of the following adds quick-setting property to cement?
A. Magnesium oxide B. Silicon dioxide C. Iron oxide D. Aluminiumoxide
Explanation: AluminiumOxide or Alumina is present in small quantity in cement and it helps in quick-setting property..