What are the three ways that limestone is used in building other than as limestone blocks?
slaked lime (made from limestone) is used in mortar b) slaked lime is also used to make concrete c) slaked lime to use as lime plaster Limestone is placed in a kiln that turns calcium carbonate to calcium oxide powder (slaked lime). Upon adding water, the calcium oxide turns to calcium hydroxide which then absorbs carbon dioxide that turns it back to calcium carbonate.