Which of the following minerals can be leached using NaOH? a.Oxides b.Bauxites c.Sulfides d.Sulfates At a negative oxidation potential, water decomposes with the evolution of what gas? a.oxygen b.NOx c.hydrogen d.nitrogen Which of the following does not involve electron transfer? a. All of the above b.Chemical decomposition of oxides c.complex formation d.Physical leaching processes Which statement regarding electrochemical cells is not correct? a.Oxidation occurs at the anode b.Elemental metal is routinely converted to metal cations at the cathode c.Reduction occurs at the cathode d. Chemical species can have their oxidation number decreased at the cathode

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter8: Sampling, Standardization, And Calibration
Section: Chapter Questions
Problem 8.15QAP
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Which of the following minerals can be leached using NaOH?
a.Oxides
b.Bauxites
c.Sulfides
d.Sulfates
At a negative oxidation potential, water decomposes with the evolution of what gas?
a.oxygen
b.NOx
c.hydrogen
d.nitrogen
Which of the following does not involve electron transfer?
a. All of the above
b.Chemical decomposition of oxides
c.complex formation
d.Physical leaching processes
Which statement regarding electrochemical cells is not correct?
a.Oxidation occurs at the anode
b.Elemental metal is routinely converted to metal cations at the cathode
c.Reduction occurs at the cathode
d.Chemical species can have their oxidation number decreased at the cathode
Transcribed Image Text:Which of the following minerals can be leached using NaOH? a.Oxides b.Bauxites c.Sulfides d.Sulfates At a negative oxidation potential, water decomposes with the evolution of what gas? a.oxygen b.NOx c.hydrogen d.nitrogen Which of the following does not involve electron transfer? a. All of the above b.Chemical decomposition of oxides c.complex formation d.Physical leaching processes Which statement regarding electrochemical cells is not correct? a.Oxidation occurs at the anode b.Elemental metal is routinely converted to metal cations at the cathode c.Reduction occurs at the cathode d.Chemical species can have their oxidation number decreased at the cathode
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