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10th ICSE
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The two main metals in bronze are

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Important Questions on Metallurgy

EASY
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 12

Identify the term/substance in the following.

The method used to separate ore from gangue by preferential wetting.

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10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 13
Name the solution used to react with bauxite as a first step in obtaining pure aluminium oxide in Bayer’s process.
HARD
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 13
Write the equation for the reaction where the aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide.
MEDIUM
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 13
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
HARD
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 13
Write the equation for the reaction that occurs at the cathode during the extraction of aluminium by electrolysis.
HARD
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 13
Explain, why it is preferable to use a number of graphite electrodes as anode instead of a single electrode, during the electrolysis of alumina?
HARD
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 14
Describe the role of cryolite in the extraction of aluminium.
MEDIUM
10th ICSE
IMPORTANT
All in One - ICSE Chemistry>Chapter 7 - Metallurgy>ARCHIVES*(Last 6 Years)>Q 14
Describe the role of sodium hydroxide in the extraction of aluminium.