Arrange the following Iron ores based upon their quality or pure iron content 1 Limonite 2 Siderite ...........

Geography Minerals

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Arrange the following Iron ores based upon their quality or pure iron content:

1. Limonite

2. Siderite

3. Magnetite

4. Haematite

Choose the appropriate code:

1-2-3-4

3-4-1-2

3-4-2-1

4-3-2-1

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Explanation:

Magnetite: This is the best quality of iron ore and contains 72 per cent pure iron. It possesses magnetic property and hence is called magnetite. It is found in Andhra Pradesh,Jharkhand, Goa, Karnataka etc
Haematite: It contains 60 per cent to 70 per cent pure iron and is found in Andhra Pradesh, Jharkhand, Orissa, Chhattisgarh, Goa etc
Limonite: It contains 40 per cent to 60 per cent pure iron. It is of yellow or light brown colour
Siderite: It contains many impurities and has just 40-50 per cent pure iron. However, due to presence of lime, it is self fluxing