KERALA PSC / CHEMISTRY / IMPORTANT ELEMENTS / IRON AND STEEL / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

 

KERALA PSC / CHEMISTRY / IMPORTANT ELEMENTS / IRON AND STEEL / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

KERALA PSC / CHEMISTRY / IMPORTANT ELEMENTS / IRON AND STEEL / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY

·      Haematite and magnetite are the richest ores of iron, containing upto 70% iron

·      Limonite has 60% iron, pyrite and siderite contain 50% iron while taconite contains 30% iron

·      Pig iron containing 1.0-3.0% silicon is called cast iron

·      Types of Iron and Steel: Pig Iron, Wrought Iron and Steel

·      Stainless steel contains iron, chromium, nickel, and carbon

·      Nickel steel contains iron, nickel and carbon

·      Tungsten steel contains iron, tungsten and carbon

KERALA PSC / CHEMISTRY / IMPORTANT ELEMENTS / IRON AND STEEL / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC PRELIMINARY