Cement mainly contains_________________?
(A) CaO, SiO2, Al2O3
(B) MgO, SiO2, K2O
(C) Al2O3, MgO, Fe2O3
(D) CaO, MgO, K2O
Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *