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EV Battery - Electrochemistry Quiz

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

In an electrochemical cell, oxidation always occurs at the _______ .

a)
anode
b)
electrolyte
c)
separator
d)
cathode
2.

The standard electrode potential is measured under which condition?

a)
Standard conditions: 25°C, 0.5 atm, 2 M concentration.
b)
Standard conditions: 25°C, 1 atm, 1 M concentration.
c)
Standard conditions: 20°C, 1 atm, 0.1 M concentration.
d)
Standard conditions: 30°C, 2 atm, 0.5 M concentration.
3.

What is the standard cell potential for a galvanic cell made up of a Zn/Zn²⁺ half-cell and a Cu/Cu²⁺ half-cell?


a)
1.10 V
b)
0.75 V
c)
1.50 V
d)
0.90 V
4.

Internal resistance of a Li-ion battery increases with _______ .

a)

age and cycling

b)
size
c)
voltage
d)
humidity
5.

Which material is commonly used as the anode in lithium-ion batteries?

a)

Aluminium

b)
Silicon
c)
Copper
d)

Graphite

6.

What happens to a lithium-ion battery's capacity over time as it undergoes repeated charge and discharge cycle?

a)
The battery's capacity remains constant.
b)
The battery's capacity increases over time.
c)
The battery's capacity fluctuates randomly.
d)
The battery's capacity decreases over time.
7.

In a lithium-ion cell, during discharge, lithium ions move from ________ to _________.

a)
cathode; anode
b)
anode; anode
c)
cathode; cathode
d)
anode; cathode
8.

What is the main reason for not using lead-acid batteries in electric vehicles?

a)
Short lifespan
b)
Heavy weight
c)
Lower energy density
d)
High cost
9.

The Nernst equation is used to calculate the electrode potential of an electrochemical cell under ______.

a)
standard conditions
b)
non-standard conditions
c)
ideal conditions
d)
constant temperature
10.

The safest operating temperature range for most Li-ion batteries is approximately _____

a)
-10°C to 25°C
b)

0°C to 60°C

c)

80°C to 120°C

d)

20°C to 40°C