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Science TNSB Mentoring
Class 10
Periodic classification of elements
Metallurgy of copper and iron
4.
Copper occurrence
Question:
4
m.
Spot the error and choose the correct statements:
1.
The ore is crushed, then the floatation separation process is used to concentrate it.
The ore is crushed, then the floth froatation process is used to concentrate it.
The ore is crushed, then the froth floatation process is used to concentrate it.
The ore is crushed, than the froth floatation process is used to concentrate it.
The ore is crushed, then the magnetic floatation process is used to concentrate it.
2.
Copper glance is partly converted into copper sulphide and iron sulphide.
Copper glonce is partly converted into copper sulphide and iron sulphide.
Copper glense is partly converted into copper sulphide and iron sulphide.
Copper pyrite is partly converted into copper sulphide and iron sulphide.
Copper cuprite is partly converted into copper sulphide and iron sulphide.
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