How can one understand the completion of the burning of lime?(a) Blue flame at the top disappears(b) Blue flame appears at the top(c) Smoke is released in huge quantity(d) Red flame appears at the topThe question was posed to me at a job interview.This key question is from Calcination and Slaking of Lime topic in chapter Materials for Construction of Basic Civil Engineering

How can one understand the completion of the burning of lime?(a) Blue

1.	How can one understand the completion of the burning of lime?(a) Blue flame at the top disappears(b) Blue flame appears at the top(c) Smoke is released in huge quantity(d) Red flame appears at the topThe question was posed to me at a job interview.This key question is from Calcination and Slaking of Lime topic in chapter Materials for Construction of Basic Civil Engineering
Answer» The correct choice is (a) Blue flame at the TOP disappears The best EXPLANATION: A blue flame indicates complete COMBUSTION, IMPLYING no wastage of resources.Hence, we can ensure the PROPER burning of lime.

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