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Chemistry
The major component of portland cement is
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Q. The major component of portland cement is
A
$SiO_2$
40%
B
$CaO$
42%
C
$Al_2O_3$
15%
D
$Fe_2O_3$
4%
Solution:
% Composition : $CaO > SiO_2 > Al_2O_3 > Fe_2O_3$