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Which of the following is present in maximum amount in the cement?
Option: 1
CaO
Option: 2
SiO2
Option: 3
Al2O3
Option: 4
Fe2O3
Answers (1)
As we learn
Cement/Portland cement -
Composition
CaO 50 -60%
SiO2 20 - 25%
Al2 O3 5 -10%
Mg O 1 -3%
Fe2 O3 1 - 3%
- wherein
Raw materials are limestone and clay.
Cement has 50-60% composition of CaO.
View full answer
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