The role of superplasticizer in a cement paste is to

1.	The role of superplasticizer in a cement paste is to
A.	disperse the particles
B.	disperse the particles and to remove air bubbles
C.	disperse the particles, remove air bubbles and to retard setting
D.	retard setting
Answer» E.

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The role of superplasticizer in a cement paste is to

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