Related Questions

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
A liquation
B leaching
C levigation
D magnetic separation
Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
A Cresylic acid
B Xanthaies
C Pine oil
D All of the above
Ore concentration by froth floatation utilises the __________ of ore particles.
A Density difference
B Wetting characteristics
C Terminal velocities
D None of these
Leaching of uranium ore and gold ore is done in
A Centrifugal extractor
B Pachuka tanks
C Bollman extractor
D None of these
Malachite is an ore/mineral of
A Lead
B Manganese
C Mercury
D Copper
Bauxite is an ore/mineral of
A Aluminium
B Beryllium
C Lead
D Tin
Haematite is an ore/mineral of
A Zinc
B Iron
C Lead
D Manganese
Cinnabar is an ore/mineral of
A Lead
B Manganese
C Molybdenum
D Mercury
Magnetite is an ore/mineral of
A Beryllium
B Chromium
C Iron
D Lead
Sphalerite is an ore/mineral of
A Mercury
B Molybdenum
C Silver
D Zinc

Next steps