
Electrochemical cells
Authored by Nadarajan Yuven
Chemistry
11th Grade
Used 28+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is an electrolyte?
The liquid part of the electrochemical cell
The metal part of the electrochemical cell
The part that measures the voltage in an electrochemical cell
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How do you complete the circuit when using 2 half-cells?
acid bridge
base bridge
salt bridge
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The circuit must be complete for the electrons to flow.
True
False
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The E0 value for all electrolysis reactions is
positive
neutral
negative
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chlorine is produced from the electrolysis of sodium chloride solution in a diaphragm cell. What is the use of the diaphragm in the cell
Removes impurities from sodium chloride
Increases the rate of production of chlorine
Prevents chlorine from escaping from the cell
Prevents chlorine from coming into contact with sodium hydroxide
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Industrially, aluminium is extracted from the electrolysis of its molten ore. However, why is more emphasis placed on recycling of aluminium than the extraction of aluminium from its ore?
The extraction process is very difficult
The cost of extracting aluminium from its ore is very high
Extracting aluminium from its ore will contaminate the environment
Extracting aluminium from its ore will cause the source to be depleted
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chromium and nickel are used in the electroplating industry. Whih of the following is/are true about electroplating?
1. The material to be plated is the anode
2. Reduction occurs at the cathode
3. The electrolyte used contains the plating metal ions
1
1 and 2
2 and 3
1, 2 and 3
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