Disolver

The video tutorial explains the concept of dissolution, where a soluble substance is mixed with a solvent, such as salt in water. It clarifies that dissolution is a physical process, not a chemical one, as the particles do not change and no new substances are formed.

What is an example of dissolution?

• Mixing oil and water

• Salt dissolving in water

• Sand in a sandbox

• Iron rusting

Which of the following best describes dissolution?

• A chemical reaction

• A nuclear reaction

• A physical process

• A biological process

What happens to particles during dissolution?

• They disappear

• They change into new substances

• They become larger

• They remain unchanged

Which statement is true about dissolution?

• It is a physical process

• It is a chemical process

• It creates new substances

• It involves a change in particle identity

What is not a characteristic of dissolution?

• Mixing of a soluble substance with a solvent

• Particles remain unchanged

• Formation of new substances

• Physical process