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प्रश्न
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
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उत्तर
Reduction of lead (II) oxide by carbon :
\[\ce{PbO + C + heat -> Pb + CO}\]
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संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
An element L consists of molecules.
When L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
Give equation for the following conversion: Ferric oxide to iron.
Give equation for the following conversion: Aluminium hydroxide to aluminium oxide.
Name oxide of one metal which is reduced by (give equation): Reduction with heat alone
Give the chemical name and formula of 'cryolite'
what is the function of cryolite in the extraction of aluminium, other than acting as a solvent for bauxite?
Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.
In order to obtain one tone of aluminium, the following inputs are required:
4 tones of bauxite, 150 Kg of sodium hydroxide and 600 Kg of graphite.
The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (II) oxide. Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.
(i) Write the formula of cryolite.
(ii) Write down the word which correctly completes the following sentence.
"By dissolving aluminium oxide in cryolite, a ______ (conducting / non- conducting) solution is produced.
(iii) Why so much graphite required for this electrolytic process.
(iv) Write the equation for the reaction which takes place at cathode.
Answer the following question :
Name the process used for the enrichment of sulphide ore.
