Question

_____is used in making of cement​

Answer 1

Answer:

Hi..

Explanation:

Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients. Common materials used to manufacture cement include limestone, shells, and chalk or marl combined with shale, clay, slate, blast furnace slag, silica sand, and iron ore.

Answer 2

Answer:

Hii.

Explanation:

cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients common materials used to manufacture cement include

lime stone,shells and chalk or marl combined with shale,clay,slate,blast furnace slag,silicasand and iron ore.