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Practice Neco, Jamb, SSce, Sat, Gre, Toefel, Gmat, Online

Answer the english question Below by selecting the right option.

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Zinc and carbon rods are used as anode and cathode respectively in a




lead accumulator
B


Daniell cell
C


voltaic cell
D

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The solution that will conduct the highest amoun1 of electricity is




2.0 mol dm-3 of hydr
B


0.5 mol dm-3 of etha
C


0.5 mol dm-3 of etha
D

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In which of the following is the oxidation number of sulphur equal to -2?




S8
B


H2S
C


SO2
D

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