Advertisements
Advertisements
प्रश्न
Explain the following term:
Gangue
Advertisements
उत्तर
Ores are composed of metal compounds and impurities such as soil, sand, and stony material. These contaminants are known as gangue.
APPEARS IN
संबंधित प्रश्न
Why are alkali metals kept in kerosene oil?
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is a more reactive metal.
Give the effect of heat on their: carbonates
Name:
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen
Explain the following terms:
(a) flux
Name the methods used for purification?
With a labelled diagram, explain the electro-refining of a particular metal.
Which metal is used for:
lithographic plates for printing
What do you observe when hydrogen is passed over heated copper oxide?
Cassiterite is a copper ore.
Write the molecular formulae of the following compound.
Copper pyrite
Write the molecular formulae of the following compound.
Ferrous tungstate
Complete flow chart given below.
Identify the following method of concentration of ores and explain briefly.
Chemical formula of rust is ______
Bassemerisation is used in the extraction of ______.
Which of following metals occurs in native state?
A process of extracting metals from aqueous solutions of their salts using suitable reducing agents is called ______
Explain the following term:
Metallurgy
