How to Make a Volcano

The video tutorial demonstrates a simple chemical reaction using bicarbonate soda, washing up liquid, and vinegar. The process involves mixing bicarbonate soda with food coloring, adding washing up liquid, and finally introducing vinegar. The vinegar reacts with the bicarbonate soda to produce carbon dioxide gas, resulting in a bubbly and foamy mixture that rises and drips down. The tutorial concludes with a thank you note.

Which of the following is NOT mentioned as a material needed for the experiment?

• Salt

• Vinegar

• Washing up liquid

• Bicarbonated soda

What is the first step in the experiment?

• Heating the mixture

• Adding vinegar to the mixture

• Mixing bicarbonated soda with food coloring and water

• Pouring washing up liquid into water

What is added to the washing up liquid in the second step?

• Vinegar

• Red food coloring

• Bicarbonated soda

• A big squirt of washing up liquid

What gas is produced when vinegar reacts with bicarbonated soda?

• Oxygen

• Hydrogen

• Nitrogen

• Carbon dioxide

What is the visual result of the chemical reaction in the experiment?

• The mixture becomes solid

• The mixture becomes bubbly and foamy

• The mixture evaporates

• The mixture turns blue