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General Chemistry
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Composition percentage of CaO and SiO2 in Portland cement is -
Question
Composition percentage of CaO and SiO2 in Portland cement is -
A.
40 - 45 % and 10 - 15 %
B.
85 - 90 % and 40 - 45 %
C.
60 - 68 % and 17 - 24 %
D.
3 - 10 % and 80 - 90 %
Solution
Correct option is C
Composition percentage of CaO and
in Portland cement is 60 – 68 % and 17 – 24%
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