Close Menu
Login
(Sponsored by Sir Tauqeer)
Join Sir Tauqeer Whatsaap group
(Sponsored by Sir Tauqeer)
Join Sir Tauqeer Whatsaap group
(Sponsored by Sir Tauqeer)
Join Sir Tauqeer Whatsaap group
By Building Materials and Construction No Comments

The main ingredients of Portland cement are________________?

A. lime and silica
B. lime and alumina
C. silica and alumina
D. lime and iron

Advertisement
Advertisement
Share.
Leave A Reply

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

The reCAPTCHA verification period has expired. Please reload the page.