Mixtures, Solubility, and Acid/Base Solutions Chapter 11

Multiple Choice

Fill in the blank: The word 'abundant' means ______.

• Scarce

• Plentiful

• Rare

• Insufficient

Multiple Choice

Fill in the blank: A solution is a ______ mixture of two or more substances.

• heterogeneous

• homogeneous

• chemical

• physical

Multiple Choice

Which of the following is NOT a type of mixture?

• Homogeneous

• Heterogeneous

• Element

• Compound

Multiple Choice

Fill in the blank: In a homogeneous mixture, particles are distributed ______.

• A) Non-uniformly

• B) Uniformly

• C) Randomly

• D) Sparsely

Multiple Choice

Fill in the blank: In a heterogeneous mixture, particles are distributed ______.

• A) Uniformly

• B) Non-uniformly

• C) Evenly

• D) Consistently

Multiple Choice

What is a characteristic of substances in a mixture?

• They change their properties

• They keep their properties

• They form new compounds

• They dissolve completely.

Multiple Choice

What is the term for a substance that dissolves a solute to form a solution?

• Solvent

• Solute

• Concentration

• Solubility

Multiple Choice

Fill in the blank: A solution that contains the maximum amount of solute that can be dissolved at a given temperature is called a ______.

• A) Solvent

• B) Solute

• C) Saturated solution

• D) Unsaturated solution

Multiple Choice

Which term describes a solution that can still dissolve more solute at a given temperature?

• Solvent

• Solute

• Saturated solution

• Unsaturated solution

Multiple Choice

Which of the following best describes a solution?

• A heterogeneous mixture

• A homogeneous mixture

• A compound

• An element

Multiple Choice

The hydrogen atoms in a water molecule have a ______ charge.

• Partial positive

• Partial negative

• Neutral

• Full negative

Multiple Choice

What is the result of the unequal sharing of electrons in water?

• Non-polarity

• Polarity

• Neutrality

• Ionic bond

Multiple Choice

The partial charges in a water molecule are due to the ______ of electrons.

• Equal sharing

• Unequal sharing

• No sharing

• Full transfer

Multiple Choice

Fill in the blank: If the solution is a gas mixed in a gas or a liquid in a liquid, then concentration is stated as ______ of solute in a given volume of solution.

• volume

• mass

• temperature

• color

Multiple Choice

Which of the following describes an unsaturated solution?

• The solvent can still hold more solute

• The solvent is holding all the solute it can hold

• The solvent holds more solute than it can usually hold

• The solvent holds no solute.

Multiple Choice

Raising the temperature or pressure can make a solution ______.

• less saturated

• more saturated

• supersaturated

• unsaturated

Multiple Choice

How does pressure affect gas in liquid solutes?

• Dissolves better

• Dissolves worse

• No effect

• Evaporates

Multiple Choice

Fill in the blank: The pH scale ranges from 0 to ____.

• A) 10

• B) 12

• C) 14

• D) 16

Multiple Choice

Which of the following statements is true? A) Acids have higher concentrations of [OH-] B) Bases have higher concentrations of [H3O+] C) Acids have higher concentrations of [H3O+] D) Bases have higher concentrations of [Na+].

• Acids have higher concentrations of [OH-]

• Bases have higher concentrations of [H3O+]

• Acids have higher concentrations of [H3O+]

• Bases have higher concentrations of [Na+]

Multiple Choice

At what pH value is a solution considered neutral?

• 6

• 7

• 8

• 9

Multiple Choice

Solutions with a pH below 7 are considered ____.

• neutral

• basic

• acidic

• alkaline

Multiple Choice

A solution with a pH of 5 is more acidic than a solution with a pH of ____.

• 3

• 4

• 6

• 7

Multiple Choice

Which of the following is the most accurate way to measure pH?

• pH indicator

• pH testing strips

• pH meters

• Litmus paper

Multiple Choice

Acids can conduct ________.

• Heat

• Light

• Electrical current

• Sound

Multiple Choice

What happens when acids react with acid-base indicators?

• They become solid

• They change colors

• They evaporate

• They freeze

Multiple Choice

Bases can ______ an electrical current.

• Block

• Conduct

• Absorb

• Reflect

Multiple Choice

Fill in the blank: Bases are ______, meaning they can burn or corrode other substances.

• Sweet

• Caustic

• Soft

• Neutral

Multiple Choice

What is the effect of bases on red litmus paper?

• No change

• Turns blue

• Turns green

• Turns yellow

Multiple Choice

Fill in the blank: Bases are ______ and can burn or corrode other substances.

• Soft

• Caustic

• Neutral

• Sweet