Relevant Competitive Tests:
Portland cement consists mainly of__________________?
A. CaO & SiO2Correct Answer
B. SiO2 & Al2O3
C. CaO & Al2O3
D. CaO & Fe2O3
Correct Option: A. CaO & SiO2
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Which of the following is a type of sedimentary rock?Which of the following rock favors petroleum formation?DLS stands For_______?RIH stands for ________?“The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements.” This is the statement of___________________?