Understanding Solutions: Ocean Water vs. Lake Water

The video tutorial explains the differences between ocean and lake water, highlighting that ocean water is salty while lake water is fresh. It introduces the concept of solutions, describing them as homogeneous mixtures where substances are evenly mixed. The video further explains the roles of solvent and solute, using a powdered drink as an example. Water's ability to dissolve many substances earns it the title of 'universal solvent.' The tutorial concludes with examples of solutions, including saltwater and freshwater, and notes that solutions can exist in various forms, not just liquids.

What is the primary difference between ocean water and lake water?

• Ocean water is fresh, and lake water is salty.

• Both ocean and lake water are fresh.

• Ocean water is salty, and lake water is fresh.

• Both ocean and lake water are salty.

In a solution, what is the term for the substance that gets dissolved?

• Solvent

• Mixture

• Solute

• Compound

Why is it difficult to separate the components of a solution?

• The components are in different states of matter.

• The components are evenly mixed and not easily visible.

• The components are chemically bonded.

• The components are too large to separate.

What is water often referred to as due to its ability to dissolve many substances?

• The universal solvent

• The universal mixture

• The universal solute

• The universal compound

Which of the following is true about solutions?

• Solutions can only be liquids.

• Solutions are always visible.

• Solutions are always salty.

• Solutions can be in different forms, not just liquids.