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The process of heating to redness in the presence of air is called __________

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in Construction & Building Materials by (190k points)
The process of heating to redness in the presence of air is called __________

(a) Hydraulicity

(b) Setting

(c) Roasting

(d) Calcination

This question was posed to me in final exam.

Question is from Lime topic in chapter Glass, Lime, Clay Products & Bricks of Construction & Building Materials

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Right answer is (d) Calcination

To explain: The process of heating to redness in the presence of air is called calcination. Hydraulicity is the property of lime by which it sets in damp places or thick masonry walls where the free circulation of air is absent.

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