Coke is used in the extraction of metals such as zinc and iron from their ores. Why?

Open in App

Solution

Coke is used in the extraction of metals such as zinc and iron from their ores because it is a good reducing agent that reduces the iron oxide to molten iron metal.
When burnt in the blast furnace, supplies the heat required for carrying out the extraction of iron from its oxide.

Suggest Corrections

Similar questions

Q. Aluminum metal is frequently used as a reducing agent for the extraction of metal such as chromium or manganese from their respective _______

Which of the following is used as a reducing agent in the extraction of iron metal ?

(a) coal

(b) bitumen

(d) coke

Q. The following questions refer to the extraction of aluminium and iron from their ores:
(a) Name the principle ore from which (i) iron, and (ii) aluminium are extracted.
(b) What is the most important chemical process in the extraction of any metal? State how this essential step is carried out in the extraction of: (i) iron, (ii) aluminium.
(c) Iron and aluminium ores both, contain impurities. Explain, briefly how these impurities are removed in each case.
(d) What is the major impurity present in iron when it is removed from the furnace?
Name an alloy of zinc is used in simple voltaic cells.

(a) Which metal is extracted from bauxite ore?
(b) Give the name of one ore of iron. Which iron compound is present in this ore? Write its chemical formula.
(c) Describe the extraction of zinc metal from its sulphide ore (zinc blende). Write an equation of the reactions involved.
(d) Explain why, the galvanised iron article is protected against rusting even if the zinc layer is broken.
(e) Name a common metal which is highly resistant to corrosion.

Q. (a) Name two metals which are found in free state in nature.
(b) What chemical process is used for extracting a metal from its oxide ore? Name one metal which is extracted by this method.
(c) Describe the extraction of zinc metal from its sulphide ore as well as its carbonate ore. Write equations of all the reactions involved.

Join BYJU'S Learning Program

Coke is used in the extraction of metals such as zinc and iron from their ores. Why?

Coke is used in the extraction of metals such as zinc and iron from their ores because it is a good reducing agent that reduces the iron oxide to molten iron metal. When burnt in the blast furnace, supplies the heat required for carrying out the extraction of iron from its oxide.

Coke is used in the extraction of metals such as zinc and iron from their ores because it is a good reducing agent that reduces the iron oxide to molten iron metal.
When burnt in the blast furnace, supplies the heat required for carrying out the extraction of iron from its oxide.