المخاليط: المحلول

The video tutorial explains the concept of solutions, using seawater as an example of a homogeneous mixture with dissolved compounds and elements. It also describes gas mixtures in the air, composed of oxygen, nitrogen, carbon dioxide, and other gases. The tutorial then demonstrates making a lemon juice solution, highlighting the roles of solute and solvent, and adding sugar to enhance the taste.

What percentage of Earth's surface is covered by seawater?

• 60%

• 80%

• 50%

• 70%

Which of the following is an example of a gaseous mixture?

• Seawater

• Lemon juice

• Air

• Sugar solution

In the lemon juice solution, what is the role of lemon?

• Compound

• Solute

• Solvent

• Mixture

What is the role of water in the lemon juice solution?

• Solute

• Solvent

• Element

• Mixture

What is added to the lemon juice solution to make it sweet?

• Vinegar

• Sugar

• Salt

• Honey