For complete hydration of cement the ratio needed is

1.	For complete hydration of cement the ratio needed is
A.	less than 0.25
B.	more than 0.25 but less than 0.35
C.	more than 0.35 but less than 0.45
D.	more than 0.45 but less than 0.60
Answer» D. more than 0.45 but less than 0.60

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For complete hydration of cement the ratio needed is

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