Advertisements
Advertisements
Question
Name the method by which aluminium metal is extracted.
Solution
Aluminium is extracted by electrolytic reduction from molten aluminium oxide.
APPEARS IN
RELATED QUESTIONS
Name the following:
The property possessed by metals by which they can be beaten into sheets.
Name the gas in air which tarnishes silver articles slowly.
Name two metals which occur in nature in free state as well as in combined state.
Explain givem equation, what happens when a mixture of Cu2O and Cu2S is heated?
The articles made of silver metal become dark on prolonged exposure to air. This is due to the formation of a layer of its:
(a) oxide
(b) hydride
(c) sulphide
(d) carbonate
Name the following:
Name two metals always find in combined state.
Define the term : Slag
Write equations for each of the above metal which reacts with water.
Usually ______ ores are subjected to ______ which is done in the absence of air.
Observe the following diagram and write answers.
- Name the method.
- Write anode reaction and cathode reaction.
- Why fluorspar and cryolite are added in the mixture?