
Electrochemistry Concepts for Grade 11
Authored by Muhammad Omar
Science
11th Grade

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an electrochemical cell?
A type of battery that cannot be recharged.
A device that only stores electrical energy.
An electrochemical cell is a device that converts chemical energy into electrical energy or vice versa.
A machine that generates heat from chemical reactions.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the function of the anode in an electrochemical cell.
The anode is where reduction occurs and electrons are absorbed.
The anode is the electrode where oxidation occurs and electrons are released.
The anode is the electrode that generates heat during the reaction.
The anode is responsible for the flow of ions in the electrolyte.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the cathode in an electrochemical cell?
The cathode is the site of reduction in an electrochemical cell.
The cathode produces electrons in an electrochemical cell.
The cathode is the site of oxidation in an electrochemical cell.
The cathode is where the electrolyte is stored in an electrochemical cell.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the difference between galvanic and electrolytic cells.
Galvanic cells require electricity to operate; electrolytic cells generate electricity from reactions.
Galvanic cells are used in batteries; electrolytic cells are used in light bulbs.
Galvanic cells can only operate in acidic solutions; electrolytic cells can only operate in basic solutions.
Galvanic cells generate electricity from spontaneous reactions; electrolytic cells require electricity to drive non-spontaneous reactions.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an electrolyte?
An electrolyte is a substance that produces ions in solution and conducts electricity.
A gas that forms bubbles in a solution
A solid that does not conduct electricity
A liquid that cannot dissolve in water
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
List two types of electrolytes and provide examples.
Sodium Bicarbonate (NaHCO3)
Calcium Carbonate (CaCO3)
Potassium Hydroxide (KOH)
1. Strong Electrolyte: Sodium Chloride (NaCl), 2. Weak Electrolyte: Acetic Acid (CH3COOH)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does temperature affect the conductivity of an electrolyte?
Temperature has no effect on conductivity.
Conductivity is only affected by concentration, not temperature.
Higher temperatures decrease conductivity.
Temperature increases the conductivity of an electrolyte.
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