AP EAMCET Medical 23 Apr 2019 Shift 2 Paper

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Question : 132 of 160

Marks: +1, -0

In portland cement, the major constituents (in mol %) are

MgO , Fe2O3 , Cr2O3
Al2O3 , MgO , TiO2
CaO , SiO2 , Al2O3
Al2O3 , B2O3 , MgO

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