1.

name the substance which is used in manufacturing of cement and also give its preparation from limestone

Answer»

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The most common raw rock typesusedincementproduction are:

Limestone (supplies the bulk of the lime)

Clay, marl or shale (supplies the bulk of the silica, alumina and ferric oxide)

Other supplementary materials such as sand, fly ash/pulverised fuel ash (PFA), or ironstone to achieve the desired bulk composition.



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