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Chemistry - 9 Chapter - 8
Electro Chemistry
Test - 12
1.
One type of electrochemical cells is called electrolytic cell and the other is known as a voltaic cell.
a) False
b) True
2.
Those substances through which electric current can pass are called insulators.
a) True
b) False
3.
All metals are not conductors of electricity?
a) False
b) True
4.
Solutions of ionic compounds, for example, sodium chloride, potassium bromide etc are non-conductors.
a) False
b) True
5.
Solutions of covalent compounds, for example, urea, sugar etc are conductors.
a) False
b) True
6.
Electricity can be passed through Electrolytes.
a) False
b) True
7.
Passage of electricity through electrolytes does not decompose them.
a) False
b) True
8.
Non-electrolytes are those compounds through which electricity can pass.
a) True
b) False
9.
Anode is a positive electrode through which electrons leave external circuit.
a) False
b) True
10.
purpose of Arrhenius Ionic Theory was to explain the process of electrolysis.
a) True
b) False
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