Chemical Engineering Basics Mcqs


Q.  Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is_____________________?

a. 5CaO. 3 Al2O3
b. 3CaO. Al2O3
c. 3CaO. SiO2
d. 2CaO. SiO2


ANSWER: See Answer
 
No explanation is available for this question!
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