NEET 2011 Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)NEET 2011

Not in JEE Main or NEET syllabus

The following reactions take place in the blast furnace in the preparation of impure iron. Identify the reaction pertaining to the formation of the slag.

(1)
(2)
(3)Correct
(4)

Answer: (3)

Solution

Slag is the fusible material formed when a flux combines with the infusible gangue (impurity) in the ore. In the blast furnace, limestone decomposes to the basic flux CaO, which combines with the acidic gangue to give calcium silicate slag:

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-090683