What is the movement of electrons called in an electrochemical cell?

• electric current

Which of the following is the correct definition of oxidation?

• Gain of electrons
• Loss of electrons
• Gain of protons
• Loss of neutrons

In an electrochemical cell, the cathode is always positively charged.

What is the name of the device that converts chemical energy into electrical energy?

• galvanic cell

Which ion is reduced at the cathode in the electrolysis of molten sodium chloride?

• Chloride ion
• Sodium ion
• Hydrogen ion
• Oxygen ion

A redox reaction involves both reduction and oxidation processes.

Which of the following is NOT a component of a simple electrochemical cell?

• Anode
• Cathode
• Electrolyte
• Bulb

What is the main function of the electrolyte in an electrochemical cell?

• conduct electricity

The process of plating a metal onto another metal using electricity is called electroplating.

Which statement is true about the anode in an electrolytic cell?

• It is always negative
• It is always positive
• It does not change charge
• It is the site of reduction

What is the name of the solution that conducts electricity in an electrochemical cell?

• electrolyte

Electrolysis can be used to separate water into hydrogen and oxygen gases.

Which of the following is reduced during the electrolysis of water?

• Hydrogen ion
• Oxygen ion
• Water molecule
• Hydroxide ion

What is the name of the positive electrode

• anode

Which of the following is a use of electrolysis in industry?

• Making alloys
• Extracting metals
• Measuring temperature
• Producing sound

What is the chemical symbol for the element that is product of cathode during the electrolysis of copper(II) sulfate?

• Cu

The process of losing electrons is called reduction.

Which of these statements about the salt bridge is correct?

• It connects the power supply
• It produces electrons
• It completes the circuit
• It is used as an electrode

The anode is always the positive electrode in all electrochemical cells.

Which of the following is the best definition of electrolysis?

• The process of making electricity
• The use of electricity to break down a compound
• The movement of electrons in a wire
• The mixing of two solutions