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.
संबंधित प्रश्न
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
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: nitrates
Define the term ‘metallurgy’. State the processes involved in metallurgy ?
Name:
(a) the processes involved in
concentration :-
Explain the following terms:
smelting
`MnO_2 + 4Al` 
…………….
`2NaNO_3`
......................
`HgS + O_2`
..................
Why is flux used in the blast furnace?
Which metal is used for:
lithographic plates for printing
State two properties of brass that render it more useful for some purpose than its components.
Why does iron or zinc not occur free in nature?
In Wilfley table method to separate particles of gangue _______ method is used.
Complete flow chart given below.
Explain the hydraulic separation method with a neat labelled diagram.
Explain the froth floatation method with a neat labelled diagram.
Chemical formula of rust is ______
Zirconium is refined by ____________.
Which of following metals occurs in native state?
