1.

Write the avarage composition of portland cement.

Answer»

Answer:

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Explanation:

Chemical composition

Chemical compositionPortland CEMENT is MADE up of four main COMPOUNDS: tricalcium silicate (3CaO · SiO2), DICALCIUM silicate (2CaO · SiO2), tricalcium aluminate (3CaO · Al2O3), and a tetra-calcium aluminoferrite (4CaO · Al2O3Fe2O3).



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