Chemistry - 9 Chapter - 8Electro Chemistry Test - 4

Chemistry - 9 Chapter - 8
Electro Chemistry
Test - 4

1. Electrolytes are those compounds through which electricity can pass.

a) False
b) True

2. What is an Anode?

a) It is a positive electrode through which electrons enter external circuit.
b) It is a negative electrode through which electrons enter external circuit.

3. What is a Cathode?
It is a negative electrode through which electrons leave the external circuit

a) It is a negative electrode through which electrons leave the external circuit
b) It is a positive electrode through which electrons leave the external circuit

4. Cathode is a positive electrode through which electrons leave external circuit.

a) False
b) True

5. Name few elements, which are prepared by the process of electrolysis?

a) Copper, sodium, chlorine, fluorine, sodium hydroxide, potassium dichromate and potassium permanganate
b) Aluminium, sodium, chlorine, fluorine, sodium hydroxide, potassium dichromate and potassium permanganate

6. Arrhenius, was a -----------chemist?

a) Italian
b) Briton
c) Greek
d) Swedish

7. Ionic Theory to explain the process of electrolysis was put forward by-----------in---------.

a) Chalisle, 1887
b) Arrhenius, 1887
c) Alessandro Volta , 1887
d) Nicholson, 1887

8. What was the purpose of Arrhenius Ionic Theory?

a) To explain the process of electrolyte.
b) To explain the process of electrolysis.

9. Metallic ions, ammonium ions and hydrogen ions carry?

a) Negative charge
b) Positive charge

10. he number of electrical charges present on any ion is equal to the valency of the atom or the radical.

a) False
b) True

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