Chemistry 11 Chapter 10
Electrochemistery
Test 11
1.
Percentage of sulphuric acid in lead accumulator is?
a) 40
b) 25
c) 30
d) 50
2.
The reduction potential of Zn is?
a) .76
b) -.76
c) .55
d) -.55
3.
The half cells are interconnected through?
a) Wire
b) Salt bridge
c) Electric circuit
d) No connections exist
4.
Which one is characteristic ofLead storage battery?
a) Used in car batteries
b) Rechargable
c) Electrolyte is sulphuric acid
d) All of these
5.
Which is the application of Electrochemical series?
a) Prediction of feasibility of chemical reaction
b) Calculation of voltage
c) Reaction of metals with dilute acids
d) All of these
6.
Which one is dry in nature?
a) Alkaline battery
b) Silver oxide battery
c) Ni-Cd cell
d) Fuel cell
7.
Lectrochemical cells are of types?
a) 2
b) 3
c) 4
d) Infinite
8.
Voltaic cells contain?
a) Daniel’s cell
b) Ni-Cd cell
c) Fuel cell
d) All of these
9.
Cell which converts electrical energy into chemical energy is called?
a) Voltaic cell
b) Galvanic cell
c) Electrolytic cell
d) Both a and b
10.
Salt bridge has advantage?
a) To make contact between solution
b) To prevent intermixing
c) To maintain neutrality
d) All of these
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