Chemistry 11 Chapter 10
Electrochemistery
Test 10
1.
Capacity of one lead accumulator cell is?
a) 1.5volts
b) 1volts
c) 2volts
d) 3volts
2.
In alkaline batery,the anode is made of?
a) MnO
2
b) AgO
2
c) Zn
d) Cadmium
3.
Greater the value of standard reduction potential,smaller will tendency of?
a) To form negative ion
b) To remain unchange
c) To form positive ion
d) All are possible
4.
In K
2
Cr
2
O
7
the oxidation number of cromium is?
a) +6
b) -7
c) +7
d) -6
5.
Lead accumulaters are?
a) Secondary battery
b) Primary battery
c) Daniel battery
d) Voltaic battery
6.
The strength of solution whose electrode potentian is to be measured is?
a) 1N
b) 1M
c) 2M
d) 1m
7.
Secondary battery is?
a) Rechargable
b) Electrolytic cell
c) Unrechargable
d) Daniel cell
8.
Voltaic cell is a?
a) Reversible cell
b) rreversible cell
c) It is not a cell
d) Alkaline cell
9.
Apparent change on atom in molecule is?
a) Valency
b) Coordination number
c) Oxidation number
d) Charge number
10.
Density of lead H
2
SO
4
in lead acumulater in g/cm
3
is?
a) 1.2
b) 1.25
c) 1.50
d) 1.3
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