Advertisements
Advertisements
प्रश्न
Cassiterite is a copper ore.
पर्याय
Right
Wrong
Advertisements
उत्तर
Cassiterite is a copper ore- Wrong
APPEARS IN
संबंधित प्रश्न
Give the importance of the following for living beings:
Hydrogen
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.
Explain the following terms:
(a) flux
Explain the following terms:
smelting
With a labelled diagram, explain the electro-refining of a particular metal.
`ZnCO_3`
..............................
`HgS + O_2`
..................
Distinguish between electrolytic methods of reduction and refining.
Which metal is used for:
making face creams
Complete the following flow chart and answer the questions below:
i) In which method pine oil is used?
ii) Explain what method of concentration in brief.
A compound that is added to lower the fusion temperature of the electrolytic bath in the extraction of aluminium.
In Wilfley table method to separate particles of gangue _______ method is used.
Complete flow chart given below.
Complete the following flowchart.
Which of the following methods is used to separate wolframite and stannic oxide present in cassiterite?
