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chemistry Practice tests Neco, Jamb, Wascce,SSce, Sat, Gre, Toefel, Gmat Online

Practice chemistry tests question Below by selecting the right option.

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Trioxonitrate(V) acid is not used for preparing hydrogen gas from metals because it




is volatile
B


renders the metal pa
C


forms a layer of oxi
D

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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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