Chemical effects of electric current easy

Chemical Effects of Electric Current Quiz

1. What is the process of depositing a layer of any desired metal on another material by means of electricity?

a) Electroplating b) Electromagnetism c) Electrocution d) Electrostatics

2. Which metal is commonly used for electroplating to prevent iron from rusting?

a) Copper b) Gold c) Silver d) Chromium

3. What is the name of the process in which a metal surface is coated with a thin layer of zinc to prevent corrosion?

a) Anodizing b) Galvanization c) Alloying d) Magnetization

4. What is the substance that is used as an electrolyte in a simple chemical cell?

a) Water b) Salt c) Battery acid d) Lemon juice

5. Which type of solution is formed when an acid and a base react together?

a) Basic solution b) Acidic solution c) Neutral solution d) Salt solution

6. What is the process of breaking down a compound into its constituent elements using electric current called?

a) Electrolysis b) Reduction c) Oxidation d) Distillation

7. What happens to the electrodes in a chemical cell during the process of electrolysis?

a) They remain unchanged b) They become smaller c) They become larger d) They melt

8. What is the process in which oxygen is added to a substance?

a) Oxidation b) Reduction c) Electrolysis d) Electromagnetism

9. Which gas is usually liberated at the cathode during the electrolysis of water?

a) Oxygen b) Hydrogen c) Carbon dioxide d) Nitrogen

10. Which metal is used as the anode during the electrolysis of water?

a) Copper b) Zinc c) Platinum d) Gold