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Extraction of Iron

The smelting ...

Question

The smelting process converts siderite ore (FeCO3) to and liberates .

A

O_{2}

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B

{CO}_{2}

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C

oxide

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D

hydroxide

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Solution

The correct options are
B ${CO}_{2}$
C oxide
During smelting, ore becomes porous with the escape of gases. When siderite ore $(F e C O_{3})$ is smelted, the following reaction take place.

$F e C O_{3} (s) Δ \to F e O (s) + C O_{2} (g)$

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Similar questions

Q. The purpose of smelting an ore is to:

Q. Match the following:

Column I	Column II
A. Sphalerits	p. $F e C O_{3}$
B. Malachite	q. $Z n C O_{3}$
C. Calamine	r. $N a_{3} A l F_{8}$
D. Cryolite	s. $C u C O_{3} \cdot C u (O H)_{2}$
E. Siderite	t. $Z n S$

Q. Iron ore is concentrated by the process of smelting.

Q. (a) In smelting process carried out in blast furnace for the exgtraction of iron, lower region of the furnace has the highest temperature.
(b) Formation of

C O

{C O}_{2}

and coke reduces the temperature of the middle region of blase furnace.
(c) Limestone is taken blast furnace as flux.
(d) Silica present in the ore as gangue is converted to fusible slag by the process of reduction
Which of the following regarding the process of smelting is correct?

Calcination or Roasting will be done for the products of the smelting process to remove impurities.

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