The effect of adding calcium chloride in concrete is________________?

A. e="color: #003f1a;">2. to decrease shrinkage

B. (1) and (3)

C. (2)and (4)

D. ="color: #003f1a;">1. to increase shrinkage

E. correct answer is?

F. e="color: #003f1a;">4. to decrease setting time

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