Related Questions

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
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
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
Which of the following is the main ore for aluminium?
A Calcite
B Bauxite
C Magnesite
D Limonite
Which of the following is not an ore of aluminium?
A Troosite
B Kaolin
C Alunite
D Cryolite
Which mineral is the ore of aluminium ?
A Haematite
B Bauxite
C Magnetite
D Siderite
The Most Important Ore of Aluminium is
A Calamine
B Monazite
C Magnetite
D Bauxite
The important ore of aluminium is
A Bauxite
B Cryolite
C Fluorspar
D Haematite
What is the principal ore of aluminium ?
A Dolomite
B Copper
C Lignite
D Bauxite

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