Physical Science 11th Edition By Bill Tillery – Test Bank
Chapter 11
Water and Solutions
- A solution is a heterogeneous mixture of two or more substances.
FALSE
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Gradable: automatic
Section: 11.02
Topic: Solutions
- Water containing large amounts of Mg2+ and Ca2+ ions is said to be hard because it is hard to make the soap lather when mixed with water.
TRUE
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Gradable: automatic
Section: 11.04
Topic: Aqueous Solutions
- A solution is saturated when no more of a solute will dissolve in a solvent.
TRUE
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Gradable: automatic
Section: 11.02
Topic: Solutions
- The solubility of a gas in water decreases as the water temperature increases.
TRUE
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Gradable: automatic
Section: 11.02
Topic: Solutions
- The rule “like dissolves like” explains why liquids are generally soluble in other liquids.
FALSE
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Gradable: automatic
Section: 11.02
Topic: Solutions
- Cooks add a pinch of salt to water to increase its boiling point since it is known that solutions boil at a higher temperature than pure water.
FALSE
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Gradable: automatic
Section: 11.03
Topic: Solutions
- The presence of solute molecules makes a solution freeze at a lower temperature than the pure solvent.
TRUE
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Gradable: automatic
Section: 11.03
Topic: Solutions
- Highway departments sometimes spread salt on icy roads because the solution process generates heat, which melts the ice.
FALSE
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Gradable: automatic
Section: 11.03
Topic: Solutions
- The dye litmus turns blue in basic solutions.
TRUE
Accessibility: Keyboard Navigation
Bloom’s Level: 2. Understand
Gradable: automatic
Section: 11.04
Topic: Acids and Bases
- A strong acid is a concentrated solution acid.
FALSE
Accessibility: Keyboard Navigation
Bloom’s Level: 3. Apply
Gradable: automatic
Section: 11.04
Topic: Acids and Bases
- Air is considered to be a homogeneous mixture that is 79 % nitrogen gas, 20 % oxygen gas and 1 % all the other gases. In this mixture, nitrogen can be considered
- A. a solvent.
- a solute.
- a solution.
- saturated.
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