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In order to develop hydraulicity, it is necessary to have _________ and _________ present in chemical combination with the limestone.(a) Alumina and carbon(b) Magnesium and carbon(c) Silica and carbon(d) Alumina and silicaI had been asked this question in a national level competition.My question comes from Lime topic in chapter Glass, Lime, Clay Products & Bricks of Construction & Building Materials |
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Answer» Right option is (d) Alumina and silica |
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