Advertisements
Advertisements
प्रश्न
In Wilfley table method to separate particles of gangue _______ method is used.
विकल्प
Magnetic
Froth floatation
Leaching
gravitation
Advertisements
उत्तर
In Wilfley table method to separate particles of gangue gravitation method is used.
APPEARS IN
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: nitrates
Name:
(a) the processes involved in
concentration :-
Name the processes involved in refining of ores.
Name:
(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen
`ZnCO_3`
..............................
Which metal is used for:
making pipes, buckets, water tanks,
Which metal is used for:
making face creams
State two properties of brass that render it more useful for some purpose than its components.
Arrange the metals in (2) in the decreasing order of reactivity.
Write the molecular formulae of the following compound.
Stannic oxide
Explain concept with example/explain with the help of a balanced equation.
Minerals
Identify the following method of concentration of ores and explain briefly.
Complete the following flowchart.
Observe the figure and name and explain in brief the following method:
State the reason for the addition of caustic alkali to bauxite ore during the purification of bauxite.
Limestone is used as a flux in the extraction of ______.
After partial roasting, the sulphide of copper is reduced by ______.
Calcination is used in metallurgy for the removal of?
Name the process that is employed to refine aluminium.
