Part A What are the two basic raw materials required for making cement? Check all that...

Part A What are the two basic raw materials required for making cement? Check all that apply.

A. potassium hydroxide (KOH)

B. limestone (CaCO3)

C. Sodium carbonate (Na2CO3)

D. sand.

F. clay (aluminum silicates) sand

Expert Solution

1)Limestone: The most basic element present in every cement type. It consists of lime.

2)Clay, marl or shale: It supplies the bulk of silica, alumina and ferric oxide.

3)Other additional material consists of sand, fly ash/PFA (pulverised fuel ash) and ironstone

The most common raw rock types used in cement production 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.The main materials used in cement industry are minerals containing calcium oxide, silex, alumina and iron oxide. The main components that are rich in calcium includes - Limestone, Marl, Chalk and Clay.

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