Galvanic and Electrolytic Cells (Grade 12 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is an electrochemical reaction?
What is an electrochemical reaction?
A reaction involving electron transfer
According to the OIL mnemonic, what does oxidation involve?
According to the OIL mnemonic, what does oxidation involve?
Loss of electrons
At which electrode does oxidation occur?
At which electrode does oxidation occur?
Anode
What energy conversion occurs in a galvanic cell?
What energy conversion occurs in a galvanic cell?
Chemical to electrical energy
What does an electrolytic cell require to function?
What does an electrolytic cell require to function?
External power source
Which direction do electrons flow through the external circuit?
Which direction do electrons flow through the external circuit?
From anode to cathode
What is the function of a salt bridge in a galvanic cell?
What is the function of a salt bridge in a galvanic cell?
Completes circuit & maintains neutrality
Where do positive ions (cations) move in an electrolytic cell?
Where do positive ions (cations) move in an electrolytic cell?
Towards the cathode
What type of reaction occurs in a galvanic cell?
What type of reaction occurs in a galvanic cell?
Spontaneous reaction
What process occurs at the cathode?
What process occurs at the cathode?
Reduction (gain of electrons)