Question

Composition percentage of cao and sio2 in portland cement is

Answer 1

Answer:

Explanation:

The chief chemical constituents of Portland cement are as follows:

Lime (CaO) 60 to 67%

Silica (SiO2) 17 to 25%

Alumina (Al2O3) 3 to 8%

Iron oxide (Fe2O3) 0.5 to 6%

Magnesia (MgO) 0.1 to 4%

Answer 2

Explanation:

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