Advertisements
Advertisements
प्रश्न
What is the role of CO in the extraction of Iron?
Advertisements
उत्तर
CO acts as a reducing agent due to which iron in the ore reduces to iron metal.
APPEARS IN
संबंधित प्रश्न
Mention names and formulae of two ores of alumunium.
What is the role of silica in the extraction of copper?
Write the names and chemical formulae of any ‘two’ minerals of aluminium.
What is 'copper matte' ?
What is the role of the following compound-
SiO2 in the extraction of copper from copper pyrites?
In the extraction of zinc from zinc blende:
(i) Give an equation to show how zinc oxide is converted to zinc.
(ii) How is impure zinc finally electro-refined?
What happens when a nickel rod is dipped into a copper sulphate solution? Justify your answer.
[\[\ce{E{^{\circ}_{Ni^{+2}/Ni}}}\] = − 0.25 V and \[\ce{E{^{\circ}_{Cu^{+2}/Cu}}}\] = +0.34 V]
Bauxite has the composition
Metal which is found in free state is:
Metal always found in Free State is
