What term describes the chemical actions caused by passing an electrical current through matter?

• A. Ionization
• B. Electrolysis
• C. Oxidation
• D. Chemical reaction

Answer: (B)

The term that describes the chemical actions caused by passing an electrical current through matter is electrolysis. This process involves the breakdown of substances into their constituent elements or compounds when an electric current is applied. In electrolysis, the flow of electrical current through an electrolyte solution causes the movement of ions, leading to chemical reactions at the electrodes.

For example, in the electrolysis of water, the electric current splits water into hydrogen and oxygen gases. This phenomenon is a practical application of electrolysis and is used in various industries, including metal plating and the production of chemicals.

Ionization refers to the process of gaining or losing electrons to form ions but does not specifically involve the passing of current through a substance to induce a chemical change. Oxidation is a chemical process where a substance loses electrons, while chemical reaction is a broader term that encompasses various types of reactions, including those that occur in electrolysis but does not specifically define the electrical aspect. Thus, electrolysis is the most accurate term for describing the chemical actions induced by electrical current.