EASY
10th ICSE
IMPORTANT
Earn 100

Describe the role of graphite played in the extraction of aluminium.

Important Questions on Metallurgy

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>MISCELLANEOUS EXERCISE>Q a
Name the solution used to react with Bauxite as a first step in obtaining pure aluminium oxide, in the Baeyer's process.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>MISCELLANEOUS EXERCISE>Q b
Write the equation for the reaction where the aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>MISCELLANEOUS EXERCISE>Q c
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina. (answer in one word)
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>MISCELLANEOUS EXERCISE>Q d
Write the equation for the reaction that occurs at the cathode during the extraction of aluminium by electrolysis.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 7 - Metallurgy>MISCELLANEOUS EXERCISE>Q e
Explain why it is preferable to use a number of graphite electrodes as anode instead of a single electrode, during the electrolysis of aluminium.