Introduction to Solutions Chemistry

What is a solution?

• A chemical reaction

• A homogeneous mixture

• A pure substance

• A heterogeneous mixture

The most abundant element on Earth is:

• Water

• Hydrogen

• Oxygen

• Iron

In beach water, the salt is the…

• Solvent

• Precipitate

• Solute

• Suspension

When you mix sand and water, what type of mixture do you get?

• A solution

• Suspension

• A chemical solution

• A chemical compound

Which unit expresses the amount of solute per liter of solution?

• Pa

• g

• Å

• M

The normal pH of human blood is closest to:

• 5.5

• 6.5

• 7.4

• 8

When no more solute can dissolve at a given temperature, the solution is:

• Concentrated

• Dilute

• Saturated

• Supersaturated

What does a complex contain?

• Only water

• Only salt

• A metal ion with molecules or ions around it

• Only one atom

When a metal object like a bicycle chain becomes covered with rust, what type of reaction is happening?

• Oxidation

• Combustion

• Melting

• Reduction

Are you ready to start a new adventure in Solutions Chemistry?

• A little

• Of course

• I'm very excited

• Can’t wait to start!