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प्रश्न
Give the equations for the reduction of Lead (II) oxide.
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उत्तर
\[\ce{PbO + C ->[\Delta]Pb + CO}\]
\[\ce{PbO + CO ->[\Delta]Pb + CO2}\]
\[\ce{PbO + H2 ->[\Delta]Pb + H2O}\]
संबंधित प्रश्न
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
Give equation for the following conversion: Ferric oxide to iron.
Give equation for the following conversion: Aluminium to aluminium nitride.
what is the function of cryolite in the extraction of aluminium, other than acting as a solvent for bauxite?
What is the type of bonding expected in a metallic chloride?
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.
Name the following :
A metal oxide that can be reduced by hydrogen
Write the observation for the following:
A paper dipped in potassium permanganate solution is put on the mouth of a test tube containing sulphur dioxide gas.
Steel is an alloy of iron and ______.
Give the equation for the reduction of Iron (III) oxide.
