2006-09-24 18:00:11 · 11 answers · asked by itsaloni 1 in Science & Mathematics ➔ Chemistry
Mostly limestone. The link below gives more detail. Good luck.
2006-09-24 18:03:07 · answer #1 · answered by Anonymous · 1⤊ 0⤋
Lime is the active ingredient in cement.
2006-09-25 01:07:07 · answer #2 · answered by Anonymous · 1⤊ 0⤋
Portland cement which contains a mixture of oxides of calcium, silicon and aluminium.
2006-09-25 01:09:43 · answer #3 · answered by Col. Kurtz 3 · 0⤊ 1⤋
– Calcium (Ca)
– Silicon (Si)
– Aluminum (Al)
– Iron (Fe)
• Typical Raw Materials:
– Limestone (CaCO3)
– Sand (SiO2)
– Shale, Clay (SiO2, Al2O3, Fe2O3)
– Iron Ore/Mill Scale (Fe2O3)
2006-09-25 01:08:28 · answer #4 · answered by CK 4 · 0⤊ 0⤋
Lye
2006-09-25 01:02:05 · answer #5 · answered by seilygirl 4 · 0⤊ 1⤋
lime
2006-09-25 01:07:05 · answer #6 · answered by Number 3 3 · 0⤊ 0⤋
lime
2006-09-25 01:09:30 · answer #7 · answered by marie 7 · 0⤊ 0⤋
http://www.uvi.edu/Physics/SCI3xxWeb/Structure/ChemOfCement.html
2006-09-25 01:11:38 · answer #8 · answered by Anonymous · 0⤊ 1⤋
(water) go figure!!! (aggregate) (sand) the answer your looking for is LIME!!!!!!!!!!!!!!!!!!!!!
2006-09-25 01:07:21 · answer #9 · answered by Mike S 1 · 1⤊ 0⤋
allumina, silica ..etc
2006-09-25 01:03:24 · answer #10 · answered by Tushar 2 · 0⤊ 1⤋