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प्रश्न
Name a non-metallic element which forms acidic and neutral oxides
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उत्तर
Nitrogen
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संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
Give appropriate scientific reasons for Zinc oxide can be reduced to zinc metal by using
carbon, but aluminium oxide cannot be reduced by a reducing agent
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 a non-metallic element which is a conductor of electricity.
Write balanced equation for the following reaction:
Reduction of iron (III) oxide by carbon monoxide.
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 a balanced equation for the reduction of copper (ll) oxide by hydrogen.
