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Magnetic Separation

In the extrac...

Question

In the extraction of iron from haematite, the charge used is haematite, coke and lime stone in the following weight ratio.

A

1 : 1 : 1

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B

8 : 4 : 1

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C

8 : 1 : 4

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D

1 : 4 : 8

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Solution

The correct option is D $8 : 4 : 1$
in metallurgy of iron, the charge loaded is in the following weight ratio,

haematite : coke : lime :: 8 : 4 : 1

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Q. In the extraction of iron from haematite, the charge used is composed of haematite, coke and lime stone, in the weight ratio:

Q. In manufacture of iron from Haematite, lime stone is added is act as:

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Q. Match the columns.

List I	List II
A. Bauxite	$1.$ Lead
B. Haematite	$2.$ Thorium
C. Galena	$3.$ Aluminium
D. Monazite	$4.$ Iron

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