What is the chemical formula of the following ores? Also write the name of the metal that can be extracted from the following ores?

(a) Bauxite
(b) Haematite
(c) Copper pyrite
[3 Marks]

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Solution

(a) Bauxite is the ore of aluminium. Aluminium is extracted from bauxite very profitably and conveniently. The chemical formula of bauxite is $A l_{2} O_{3}$ .
[1 Mark]

(b) Haematite is the ore of iron. The chemical formula of haematite is $F e_{2} O_{3}$ .
[1 Mark]
(c) Copper pyrite is the ore of copper. The chemical formula of copper pyrite is $C u F e S_{2}$ .
[1 Mark]

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Similar questions

Which metal can be extracted from each one of the following ores:

(a) bauxite (b) calamine (c) haematite.

Q. (a) Name the metal which is extracted from haematite ore?
(b) Name one ore of aluminium. Name the aluminium compound present in this ore and write its chemical formula.
(c) How is aluminium metal extracted? Explain with the help of an equation.
(d) Name the electrode at which aluminium metal is produced.
(e) Which gas is produced during the extraction of aluminium? At which electrode is this gas produced?
(f) What is an alloy? Name two alloys of aluminium.

Which of the following metals can be obtained from haematite ore?
(a) copper (b) sodium (c) zinc (d) iron

(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.

(a) Name two metals which are found in nature mainly in the free state (as metallic elements).
(b) Name two metals which are always found in the combined state.
(c) What iron compound is present in haematite ore? Also, write its chemical formula.

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What is the chemical formula of the following ores? Also write the name of the metal that can be extracted from the following ores? (a) Bauxite (b) Haematite (c) Copper pyrite [3 Marks]

What is the chemical formula of the following ores? Also write the name of the metal that can be extracted from the following ores?

(a) Bauxite
(b) Haematite
(c) Copper pyrite
[3 Marks]