The following impart strength to cement?
A. Gypsum
B. Iron oxide
C. Lime
D. Silica
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The following impart strength to cement is
silica
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Answer:
(D )
Silica
Silica (Sio2): This is an important ingredient of the cement as it imparts strength to the cement due to formation of di-calcium silicate and tri-calcium silicate.
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