EASY
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Which of the following is an ore of silver?

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Important Questions on Metallurgy

EASY
Give the chemical formula of bauxite.
MEDIUM
Name one metal that is manufactured by reducing its oxide with carbon or carbon monoxide. Name the main ore of the metal.
EASY
The main ore used for the extraction of iron is
EASY

Name the following:

The ore of zinc containing its sulphide.

MEDIUM

Name the following:

A metal extracted from bauxite ore.

EASY
The chemical name of the principal ore of aluminium:
MEDIUM
Copy and complete the following table:
Common Name Chemical Name Formula
    Al2O3.2H2O
  Iron (II) carbonate  
Zincite    
EASY
_____ is the chief ore of aluminium.
MEDIUM

Arrange the metal oxides given below according to the activity series. (Place the metal oxide which is most difficult to reduce first.)

Aluminium oxide, copper oxide, iron(III) oxide and magnesium oxide.

MEDIUM

Fill in the blank with the correct choice given in the bracket - The most common ore of iron is _____.

MEDIUM

Most of the metals that we require are obtained from their ores by reduction:

Name the ore of the zinc metal obtained by chemical reduction.

EASY
Name the ore of the metal aluminium.
EASY
Which of the following is not an ore of copper?
EASY
Write the formula of cryolite.
MEDIUM

The chief ore of aluminium is _____.

(A) bauxite                     (B) magnetite                  (C) malachite

Enter your correct answer as A, B or C.

EASY
The main ore used for the extraction of iron is
EASY
The most common ore of iron is _____.
EASY
Fe3O4 is the chemical composition of _____ ore.
EASY
The chemical formula of willemite is:
MEDIUM
Complete the following table.
Common Name Chemical Name Formula
Cryolite    
    Fe2O3
  Zinc carbonate