Electrolysis And Electroplating -Multiple Choice Questions Quiz

Interactive MCQs on “Electrolysis And Electroplating”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is electrolysis?

(a) The process of converting electrical energy into mechanical energy
(b) The process of converting electrical energy into heat energy
(c) The process of using electricity to bring about a chemical change
(d) The process of using light to generate electricity

Question 2: What happens to the anode and cathode during electrolysis?

(a) Both anode and cathode gain electrons
(b) Both anode and cathode lose electrons
(c) Anode gains electrons, and cathode loses electrons
(d) Anode loses electrons, and cathode gains electrons

Question 3: Which type of ions migrate towards the cathode during electrolysis?

(a) Anions (negatively charged ions)
(b) Cations (positively charged ions)
(c) Protons (positively charged particles)
(d) Neutrons (neutral particles)

Question 4: What is electroplating?

(a) The process of converting electrical energy into mechanical energy
(b) The process of using electricity to bring about a chemical change
(c) The process of depositing a layer of metal onto an object using electrolysis
(d) The process of converting electrical energy into heat energy

Question 5: Which metal is commonly used as the anode in electroplating?

(a) Copper
(b) Silver
(c) Nickel
(d) Gold

Question 6: What is the purpose of using a salt solution as an electrolyte in electroplating?

(a) To provide a conducting medium for the flow of electric current
(b) To prevent the plating metal from reacting with the object's surface
(c) To increase the temperature during electroplating
(d) To generate hydrogen gas during electrolysis

Question 7: What is the primary metal used in silver electroplating?

(a) Silver
(b) Copper
(c) Nickel
(d) Zinc

Question 8: What is the purpose of using electroplating in the manufacturing industry?

(a) To increase the electrical resistance of objects
(b) To decrease the weight of objects
(c) To improve the appearance of objects
(d) To reduce the cost of production

Question 9: Which metal is commonly used for electroplating iron objects to prevent rusting?

(a) Gold
(b) Copper
(c) Zinc
(d) Aluminum

Question 10: In the electrolysis of water, what gases are produced at the anode and cathode, respectively?

(a) Oxygen and nitrogen
(b) Hydrogen and oxygen
(c) Oxygen and carbon dioxide
(d) Nitrogen and hydrogen