25' IPC Semester 2 EXAM 2

Which term describes the maximum amount of solute that can dissolve in a solvent at a given temperature?

• Solubility

• Saturation

• Concentration

• Molarity

The NUMBER at the top of each square on the periodic table is the ...

• Atomic Number

• Atomic Mass

• Chemical Symbol

• Element Name

What happens to the solubility of most solid solutes as temperature increases?

• It decreases

• It increases

• It stays the same

• It fluctuates randomly

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

• Sand and water

• Oil and water

• Saltwater

• Iron filings and sulfur

Which of the following is true about acids and bases?

• The lower the pH, the stronger the acid

• the higher the pH, the stronger the acid

• The lower the pH, the more neutral the acid

• The higher the pH, the weaker the base

Electrons have this type of charge?

• negative

• positive

• neutral

The subatomic particle with a negative charge is the

• electron

• proton

• neutron

• nucleus

Which of the following is NOT a factor that affects the solubility of a substance?

• Temperature

• Pressure

• Color

• Nature of solute and solvent

The positive subatomic particles of an atom are

• electrons

• positrons

• neutrons

• protons

A pure substance that cannot be broken down into any other substance by chemical or physical means.

• compound

• mixture

• molecule

• element