Advertisements
Advertisements
Question
Name a non-metallic element which forms acidic and neutral oxides
Advertisements
Solution
Nitrogen
APPEARS IN
RELATED QUESTIONS
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
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 the chemical name and formula of 'cryolite'
With reference to the reduction of copper (II) oxide , iron (II) oxide, lead (II) oxide and magnesium oxide; place the oxides in order of increasing ease of reduction.[i.e. first write the oxide that is most difficult to reduce and at last, the oxide, that is most easily reduced.]
What metallic property is shown by the non-metal graphite?
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.
(a) When bauxite is treated with sodium hydroxide solution, what happens to:
(i) the aluminium oxide?
(ii) The iron (III) oxide?
Name the following:
The compound formed by the reaction between calcium oxide and silica.
Answer the following question :
Name the process used for the enrichment of sulphide ore.
Name the following :
A metal oxide that can be reduced by hydrogen
Name two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen.
