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Acids and Bases pH Scale

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Questions and Answers

What pH range classifies a substance as basic?

0-7

7-14 (correct)

8-14

0-14

Which of the following is a property of acids?

Release H+ ions into solution (correct)

Feel slippery

Taste bitter

Turn blue litmus paper blue

What distinguishes bases from acids?

Taste sour

Turn red litmus paper blue

Release OH- ions into solution (correct)

Feel wet

Which of the following is an example of an acidic substance?

Citrus fruits/juices (i.e. lemon juice) Signup and view all the answers

What reaction occurs when acids and bases react?

Neutralization reaction Signup and view all the answers

What is the pH range for acidic solutions on the pH scale?

0 to 6 Signup and view all the answers

What are buffers composed of?

Weak acids and weak bases Signup and view all the answers

Which substance is NOT mentioned as a common acid?

Baking soda Signup and view all the answers

Why does water act as a neutral substance?

Because it has an equal amount of H+ and OH- ions Signup and view all the answers

What is the purpose of pH indicators?

To determine whether a substance is an acid or base based on color change Signup and view all the answers