Quiz Application Reduction and Oxidation

1.       The electrodes used in the battery are Pb and PbO2. The oxidation state of Pb at the two electrodes is...

• 0 and +1

• 0 and +2

• +4 and 0

• 0 and +4

2. The electrolyte used in the accumulator is a solution....

• HNO3

• CH3COOH

• H2SO4

• NAOH

3.  The element or ion that acts as the negative pole (anode) of the battery is....

• Zn2+

• Zn

• Cu

• Cu+

4.  The electrolyte used in alkaline batteries is...

• KOH

• NaCl

• NaOH

• CuO

5. The electrolyte used in the dry cell is...

• Fluid

• Solution

• Pasta

• Mixture