1.

SULPHUR_IN_CEMENT_IS_PRESENT_IN_WHAT_AMOUNT??$

A. 0.5 – 6 g
B. 1 – 2.5%
C. 0.5 – 6%
D. 1 – 2.5g
Answer» C. 0.5 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 6%


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