Question

Portland cement is composed of four major oxides (CaO, SiO₂, Al₂O₃, Fe₂O₃ ≥90%).

a.

True

b.

False

c.

May be True or False

d.

Can't say

Posted under Concrete Technology

Answer: (a).True

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Q. Portland cement is composed of four major oxides (CaO, SiO₂, Al₂O₃, Fe₂O₃ ≥90%).

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