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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?

They flow towards the cathode. Signup and view all the answers

What is the primary difference between the cathode and anode?

The direction of electron flow Signup and view all the answers

What kind of substances are classified as weak electrolytes?

Substances that are only weakly ionized in aqueous solutions. Signup and view all the answers

Which of the following statements about the anode is correct?

The anode acts as the positive electrode in the battery. Signup and view all the answers

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

To conduct current in and out of the electrolyte solution. Signup and view all the answers

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

To conduct electric current in and out of the solution Signup and view all the answers

How is chemical energy converted in a battery?

By facilitating the movement of electrons between electrodes. Signup and view all the answers

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

The cathode is connected to the negative pole of the battery. Signup and view all the answers

What is the difference between active and inert electrodes?

Active electrodes directly participate in electrochemical reactions, while inert electrodes do not. Signup and view all the answers

Which color typically represents the positive pole of a battery?

Red Signup and view all the answers

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

Electrons flow from the anode to the positive pole of the battery. Signup and view all the answers