What is the main purpose of electroplating?

Which of the following metals is commonly used for electroplating?

What is electrolysis?

Which substance is essential for the electrolysis process to occur?

What type of reaction occurs when an electric current passes through a solution?

What is produced at the electrodes when salt water undergoes electrolysis?

Which liquid is a good conductor of electricity?

Which of these is NOT a good conductor of electricity?

How does an LED indicate that a solution conducts electricity?

Which instrument can be used along with an LED to test a solution’s conductivity?

What ions are primarily responsible for the conductivity of acids in water?

Which of the following substances will conduct electricity when dissolved in water?

In electroplating, the object to be plated is usually placed at which electrode?

Why is electroplating often used in jewelry manufacturing?

What is released at the cathode during the electrolysis of water?

Which of the following is necessary to carry out electrolysis?

What happens when copper sulfate solution undergoes electrolysis?

What is the role of electrodes in electrolysis?

Which of these liquids is the best conductor of electricity?

What happens to the brightness of an LED when testing a strong conductor?

Which device is often used to check if a liquid can conduct electricity?

When a non-conducting liquid is tested with an LED, what happens?

Which ions do bases release in water, enabling conductivity?

Why do salts conduct electricity in water?

Which of the following is generally a good conductor of electricity?

Which property of water makes it a poor conductor of electricity when pure?

In which of the following solutions would an LED glow?

Why is it unsafe to touch electrical appliances with wet hands?

Which industry often uses electroplating to improve product appearance?

Which of the following can be a benefit of electroplating iron with chromium?

Which of the following solutions is commonly used in electrolysis experiments?

In electrolysis, the solution that undergoes decomposition is called the:

When electric current is passed through water, it decomposes into:

Which metal is deposited when copper sulfate solution is used in electrolysis with copper electrodes?

Which of these materials would prevent an LED from glowing in a circuit?

Distilled water Explanation: Distilled water lacks ions, so it cannot conduct electricity and won’t cause the LED to glow in a conductivity test.

What does it mean if an LED lights up when testing a solution?

Which is a common use of LEDs in electrical testing?

Which type of substance releases ions in water and can conduct electricity?

Why does adding salt to distilled water make it conductive?