Percentage of impurities in limestones should not exceed ________ for preparing fat lime.(a) 5%(b) 8%(c) 10%(d) 15%This question was posed to me by my school principal while I was bunking the class.This interesting question is from Lime topic in portion Glass, Lime, Clay Products & Bricks of Construction & Building Materials

Percentage of impurities in limestones should not exceed ________ for

1.	Percentage of impurities in limestones should not exceed ________ for preparing fat lime.(a) 5%(b) 8%(c) 10%(d) 15%This question was posed to me by my school principal while I was bunking the class.This interesting question is from Lime topic in portion Glass, Lime, Clay Products & Bricks of Construction & Building Materials
Answer» Right choice is (a) 5% Explanation: Fat lime is prepared by calcination of a COMPARATIVELY pure CARBONATE of lime. It should be COMPOSED of about 95% CALCIUM oxide. The percentage of impurities in limestones should not exceed 5% for preparing fat lime.

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