*$_Which of the following is the second major component of cement?? – McqOptions

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1.	*$_Which of the following is the second major component of cement??
A.	Al‚Äö√á√áO‚Äö√á√â
B.	SiO‚Äö√á√á
C.	CaO
D.	Fe‚Äö√á√áO‚Äö√á√â
Answer» C. CaO

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