Home › AP EAPCET (Engineering) › Chemistry › General Principles of Metallurgy › During concentration of an ore, the percentage o…
During concentration of an ore, the percentage of metal in the ore is what?
AReversed
BDecreased
CKept unchanged
DIncreased
Answer & Solution
Correct answer: D. Increased
Concentration removes gangue so the metal-bearing fraction of the material becomes larger.
Related questions
Why can aluminium reduce Fe and Cr oxides in thermite?Why is carbon unsuitable for reducing Cr2O3?Which oxides decompose easily on heating, going by Ellingham plots?On an Ellingham plot, a lower position of a metal's line means its oxide is what?Froth flotation is described as the most important operation for recovering which kind of In electro-refining, the impure metal is placed as which electrode?In electrowinning, where does the metal from the solution get plated?Crushing, grinding and sieving of an ore to the needed size is the start of which stage?