Battery Basics Quiz

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Questions and Answers

What is the role of the cathode in a battery?

  • It is connected to the negative terminal.
  • It receives electrons from the external circuit.
  • It is connected to the positive terminal. (correct)
  • It is where oxidation occurs.

During the operation of a battery, where do electrons flow from?

  • From the positive terminal to the anode.
  • From the cathode to the positive pole. (correct)
  • From the cathode to the negative pole.
  • From the anode to the positive pole.

Which statement accurately describes the anode in a battery?

  • It is where reduction occurs.
  • It is connected to the positive terminal.
  • It is connected to the negative terminal. (correct)
  • It is the electrode producing electrons.

What happens to electrons at the anode of a battery?

<p>They flow towards the cathode. (D)</p> Signup and view all the answers

What is the primary difference between the cathode and anode?

<p>The direction of electron flow (B)</p> Signup and view all the answers

What kind of substances are classified as weak electrolytes?

<p>Substances that are only weakly ionized in aqueous solutions. (B)</p> Signup and view all the answers

Which of the following statements about the anode is correct?

<p>The anode acts as the positive electrode in the battery. (B)</p> Signup and view all the answers

What is the primary function of the electrodes in a battery?

<p>To conduct current in and out of the electrolyte solution. (A)</p> Signup and view all the answers

What is the primary function of the electrodes in an electrochemical cell?

<p>To conduct electric current in and out of the solution (C)</p> Signup and view all the answers

How is chemical energy converted in a battery?

<p>By facilitating the movement of electrons between electrodes. (B)</p> Signup and view all the answers

Which of the following statements about cathodes and anodes is correct?

<p>The cathode is connected to the negative pole of the battery. (B)</p> Signup and view all the answers

What is the difference between active and inert electrodes?

<p>Active electrodes directly participate in electrochemical reactions, while inert electrodes do not. (B)</p> Signup and view all the answers

Which color typically represents the positive pole of a battery?

<p>Red (C)</p> Signup and view all the answers

During an electric current flow, where do electrons move from in relation to the anode?

<p>Electrons flow from the anode to the positive pole of the battery. (B)</p> Signup and view all the answers

Flashcards

Cathode

The electrode connected to the positive terminal of a battery.

Anode

The electrode connected to the negative terminal of a battery.

Battery Cathode

The electrode connected to the positive terminal of a battery, through which current flows from.

Battery Anode

The electrode connected to the negative terminal of a battery, through which current flows to.

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Electron Flow (Battery)

Electrons flow from the cathode to the positive terminal and from the anode to the negative terminal.

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Battery

A device that converts chemical energy into electrical energy, producing a steady flow of electrons.

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Electrode

A metallic or non-metallic component immersed in an electrolyte, that conducts electric current in and out of the solution.

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Active Electrode

An electrode that participates in chemical reactions, acting as Electron carriers.

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Inert Electrode

An electrode that doesn't participate in chemical reactions, only conducts electrons.

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Weak Electrolyte

A substance that only partially ionizes in water, meaning it produces a limited number of ions and conducts electricity weakly. Examples include weak acids and bases.

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