Question

How chalk is prepared in factories?​

Answer 1

Answer:

Chalk is prepared by Primary crushing such as in a jaw crusher breaks down large boulders .secondary crushing pulverizes smaller chunks into larger inti pebbles. Tge lime stone is then wet milled with water in a ball mill a rotating steel drums with steel balls inside to pulverise the chalk .

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Answer 2

Explanation:

In a typical manufacturing process, the usual chalk of the bar shape is produced by tempering and drying the burnt plaster or chalkstone in the mold and sometimes various kinds of pigments are added for the purpose o,f coloring.