Pick up the correct statement from the following.(a) Calcium fluosilicates act as a retarders(b) CaCl2 acts as a retarders(c) Gypsum acts as a retarders(d) Gypsum acts as an acceleratorsI had been asked this question by my college professor while I was bunking the class.This intriguing question originated from Accelerators and Retarders in chapter Admixtures and Construction Chemicals of Concrete Technology

Pick up the correct statement from the following.(a) Calcium fluosilic

1.	Pick up the correct statement from the following.(a) Calcium fluosilicates act as a retarders(b) CaCl2 acts as a retarders(c) Gypsum acts as a retarders(d) Gypsum acts as an acceleratorsI had been asked this question by my college professor while I was bunking the class.This intriguing question originated from Accelerators and Retarders in chapter Admixtures and Construction Chemicals of Concrete Technology
Answer» The correct OPTION is (c) GYPSUM acts as a retarders The best I can EXPLAIN: Gypsum is well known retarders helps to ACCELERATING effect of high TEMPERATURE on setting properties.

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