KERALA PSC / CHEMISTRY / RAW MATERIALS USED FOR CEMENT PRODUCTION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

 

KERALA PSC / CHEMISTRY / RAW MATERIALS USED FOR CEMENT PRODUCTION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

KERALA PSC / CHEMISTRY / RAW MATERIALS USED FOR CEMENT PRODUCTION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

Raw materials used for cement production

Compound

Chemical composition

%

Lime

CaO

60-67

Silica

SiO₂

17-25

Alumina

Al₂O₃

3-8

Iron Oxide

Fe₂O₃

0.5-6.0

Magnesia

MgO

0.1-4.0

Sulphur trioxide

SO₃

1-2

Soda + Potash

Na₂O +K₂O

0.5-1.3

KERALA PSC / CHEMISTRY / RAW MATERIALS USED FOR CEMENT PRODUCTION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY