The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.
Answer: Option B
Explanation:
Which of the following is not present in bagasse fibre ?
Answer: Option D
Nitric acid is not used in the manufacture of
Answer: Option A
Naphthols are derivates of
Fermentation is adversely affected by the
Answer: Option C
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