Quiz 4.10 – Electrochemical Cells

What is the primary function of an electrochemical cell?

To generate electrical energy from a chemical reaction

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To convert electrical energy into heat

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To store mechanical energy

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To decompose compounds using electricity

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Which of the following is NOT a type of electrochemical cell?

Galvanic (Voltaic) cell

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Electrolytic cell

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Fuel cell

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Transformer cell

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In a galvanic cell, what happens at the anode?

Reduction occurs

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Oxidation occurs

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Electrons are gained

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The cathode is formed

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In an electrochemical cell, electrons flow from:

Cathode to anode

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Anode to cathode

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Electrolyte to cathode

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Salt bridge to electrolyte

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Which of the following statements is TRUE for an electrolytic cell?

It generates electrical energy

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It requires an external power source

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The anode is positively charged

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Both B and C

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In a Daniell cell, which metal is used as the cathode?

Zinc

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Copper

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Iron

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Silver

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What is the function of the salt bridge in a galvanic cell?

To complete the circuit by allowing the movement of ions

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To transfer electrons between electrodes

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To prevent corrosion

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To generate electricity

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The standard electrode potential of hydrogen is:

0.00 V

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1.00 V

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-1.00 V

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0.50 V

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What is the main difference between a galvanic cell and an electrolytic cell?

Galvanic cells require an external power source, while electrolytic cells do not

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Galvanic cells convert electrical energy into chemical energy

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Galvanic cells produce electricity from spontaneous reactions, while electrolytic cells require external energy

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Electrolytic cells work only in acidic solutions

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Which of the following is an example of a galvanic cell?

Lead storage battery

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Daniell cell

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Electrolysis of water

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Electroplating

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Quiz 4.10 – Electrochemical Cells

Quiz 4.10 – Electrochemical Cells

tolu February 25, 2025

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