Electrolysis Experiment Concepts

The video tutorial demonstrates the electrolysis of water. It begins with an introduction to the concept and the necessary equipment, including a DC voltage source, terminals, and crocodile wires. The process involves adding salt to water to improve conductivity, connecting electrodes, and observing gas formation. The tutorial explains the setup, the role of electrodes, and the identification of gases produced during electrolysis, highlighting hydrogen and oxygen liberation.

What is the primary source of voltage used in the electrolysis experiment?

• Solar Panel

• AC Generator

• DC Eliminator

• Battery Pack

Why is salt added to the water during the electrolysis experiment?

• To increase the water's temperature

• To change the color of the water

• To improve the water's conductivity

• To decrease the water's pH level

What role do the pencils play in the electrolysis setup?

• They are used as weights

• They measure the water's pH

• They stir the solution

• They act as electrodes

What is the purpose of the test tubes in the electrolysis experiment?

• To measure the water level

• To collect the gases formed

• To hold the electrodes

• To add more water

Which electrode is connected to the positive terminal in the experiment?

• The red or pink electrode

• The yellow electrode

• The green electrode

• The blue electrode

What observation indicates that electrolysis is occurring in the experiment?

• Decrease in water level

• Formation of bubbles

• Change in water color

• Increase in water temperature

Which gas is liberated at the negative electrode during the experiment?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

What is the color of the electrode where more bubbles are formed?

• Blue

• Pink

• Green

• Yellow

Which gas is collected at the positive electrode?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon Dioxide

What is the main purpose of the electrolysis experiment demonstrated?

• To measure water's pH

• To purify water

• To separate water into its elements

• To generate electricity