Electrochemistry test 1

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A test from chapter 10 i.e Electrochemistry of Chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. In alkaline battery, the electrolyte contains

A) MnO2
B) KOH
C) NaCl
D) NaNO3

2. Alkali metals have

A) lower value of reduction potential than coinage metals
B) higher value of reduction potential than coinage metals
C) equal values of reduction potential to coinage metals
D) none

3. Strong reducing agents have

A) greater positive value of standard reduction potential
B) greater negative value of standard reduction potential
C) lesser positive value of standard reduction potential
D) none

4. Strong oxidizing agents have

A) greater positive value of standard reduction potential
B) lesser positive value of standard reduction potential
C) greater negative value of standard reduction potential
D) none

5. The electrode with more negative value of reduction potential acts as

A) cathode
B) anode
C) electrode
D) none

6. Metals which are above SHE in electrochemical series

A) can liberate H2 from acid
B) cannot liberate H2 from acid
C) cannot always liberate H2 from acid
D) none

7. Corrosion reactions are

A) spontaneous redox reactions
B) non–spontaneous redox reactions
C) spontaneous acid–base reactions
D) none

8. Voltaic cell can be changed into

A) electrochemical cell
B) electrolytic cell
C) reversible cell
D) primary cell

9. Strongest oxidizing agent in the electrochemical series is

A) Li
B) F
C) H2
D) I2

10. Strongest reducing agent in the electrochemical series is

A) Li
B) F
C) H2
D) I2