No products in the cart.

How iron extracted from its ore

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

How iron extracted from its ore

Posted by Manish Kumar 7 years ago

CBSE > Class 12 > Chemistry

1 answers

Nitika Neb 7 years ago

iron ores are first broken into small pieces 3-5 cm in size. Roasting or Calcination: During roasting S, As, P are oxidized to the respective oxides. S + O2 → SO2↑ 4As + 3O2 → 2As2O3↑ FeCO3 decomposes as, FeCO3 → FeO + CO2↑ Fe2O3.3H2O loses water Fe3O4 is decomposed to ferrous oxide and ferric oxides. Fe3O4 → FeO + Fe2O3 Ferrous oxide reacts with silica to forms ferrous silicate at high temperature. FeO + SiO2 → FeSiO3 But the conversion of FeO into Fe2O3 will prevent the formation of FeSiO3. Thus the mass of the ore becomes porous causing the increase in the effective

ANSWER

https://examin8.com

Test

Related Questions

Identifying the Presence of Starch in an Organic Compounds maximum

Posted by Roshni Gupta 1 year, 6 months ago

CBSE > Class 12 > Chemistry

0 answers

Arrhenius concept

Posted by Prity Rani Mishra 1 year, 6 months ago

CBSE > Class 12 > Chemistry

0 answers

2N205-4no2 +0² If a concentration of increase by 1.6×10²m Calculate rate of formation of NO2 Rate of formation of O2

Posted by Ritika Maurya 1 year, 5 months ago

CBSE > Class 12 > Chemistry

0 answers

what values are possessed by Anjali who want to use bio fuel

Posted by Mahi Sharma 1 year, 6 months ago

CBSE > Class 12 > Chemistry

0 answers

Which colligative property is used to find the molar mass of solute & why

Posted by Bhavishaya 2009 1 year, 6 months ago

CBSE > Class 12 > Chemistry

0 answers

If benzoic acid and equals to 122 gram mole is associated into a timer when dissolved in Benzene and the osmetic pressure of a solution of 6.1 gram of benzoic acid in 100 ml benzene is a 6.5 ATM at 27 degree Celsius then what is the percentage Association of benzoic acid

Posted by Shagun Sagar 1 year, 6 months ago

CBSE > Class 12 > Chemistry

0 answers

All naming reaction of chapter haloalkane and haloarenes

Posted by Kashish Baisla 9 months, 4 weeks ago

CBSE > Class 12 > Chemistry

1 answers

Can we keep caso4 using vessel justify your answer

Posted by Karan Kumar Mohanta 1 year, 5 months ago

CBSE > Class 12 > Chemistry

1 answers

Give reason. Boiling point of ethyl bromide 3higher than that of ethyl chloride?

Posted by Priya Dharshini B 1 year, 5 months ago

CBSE > Class 12 > Chemistry

4 answers

Ppt on Study of the presence of oxalate ions in guava fruit at different stages of ripening.

Posted by Shikhar Manav 1 year, 6 months ago

CBSE > Class 12 > Chemistry

0 answers

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App