In the entraction of copper from its sulphide ore, metal is finall | Filo
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In the entraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with :
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Related Questions
In the context of the Hall - Heroult process for the extraction of Al, which of the following statements is false ?
Three positive numbers from an increasing G.P. If the middle term in this G.P. is doubled, the new numbers are in A.P. Then the common ratio of the G.P. is
A uniform cylinder of length L and mass M having cross-sectional area A is suspended, with its length vertical, from a fixed point by a massless spring, such that it is half submerged in a liquid of density
$σ$
at equilibrium position. The extension
$x_{0}$
of the spring when it is in equilibrium is:
A multiple choice examination has 5 questions. Each question has three alternative answers of which exactly one is correct. The probability that a student will get 4 or more correct answers just by guessing is
Assume that a drop of liquid evaporates by decrease in its surface energy, so that its temperature remains unchanged. What should be the minimum radius of the drop for this to be possible? The surface tension is T, density of liquid is
$ρ$
and L is its latent heat of vaporization.
The synthesis of alkyl fluorides is best accomplished by :
Locus of the image of the point (2, 3) in the line
$(2x−3y+4)+k(x−2y+3)=0,kϵR$
, is a :
Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar?
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