Chapter 2. 2·4–2·7 Water has features that enable it to support all life.

Show What You Know - Self Quiz
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You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Check your understanding of concepts from 2·4–2·7 Water has features that enable it to support all life by answering the following questions.

1.

1. The pH scale is a direct measure of:

A.
B.
C.
D.
E.

Correct! (See section 2·6 Living systems are highly sensitive to acidic and basic conditions.)
Incorrect. (See section 2·6 Living systems are highly sensitive to acidic and basic conditions.)

2.

2. The tendency of water molecules to stick together is called:

A.
B.
C.
D.
E.

Correct! (See section 2·4 Hydrogen bonds make water cohesive.)
Incorrect. (See section 2·4 Hydrogen bonds make water cohesive.)

3.

3. Hydrogen bonding among water molecules gives water all of the following important properties, EXCEPT:

A.
B.
C.
D.
E.

Correct! (See section 2·5 Water has unusual properties that make it critical to life.)
Incorrect. (See section 2·5 Water has unusual properties that make it critical to life.)

4.

4. A chemical compound that releases H+ into a solution is called:

A.
B.
C.
D.
E.

Correct! (See section 2·6 Living systems are highly sensitive to acidic and basic conditions.)
Incorrect. (See section 2·6 Living systems are highly sensitive to acidic and basic conditions.)

5.

5. Which of the following accurately describes a buffer?

A.
B.
C.
D.
E.

Correct! (See section 2·6 Living systems are highly sensitive to acidic and basic conditions.)
Incorrect. (See section 2·6 Living systems are highly sensitive to acidic and basic conditions.)

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