Question

Unit Test Paper 5
A. Choose the correct option.
1. Pure water does not form enough
to conduct electricity.
a. anode
b. electrolytes c. ions
d. atoms
2. In an electrolytic cell, the electrode connected to the positive terminal of the battery is called the
a. electrolyte
b. anode
c. cathode d. ion
3. During electrolysis, the positive ions move towards the
a. anode
b. cathode
c. battery d. walls of the beaker
4. The method of coating one metal with another using an electric current is called
a. electroplating b. electrorefining c. electrolysis d. electrification
5. Which of these liquids can conduct electricity?
a. Pure water
b. Impure water c. Oil
d. Alcohol​

Answer 1

Answer:

4--(a) option--- Electroplating

Answer 2

Answer:

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1)c) ions

2)b)anode

3)b) cathode

4)a) electro plating

5)b) impure water