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15 Questions

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Acids and Bases Classification

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Questions and Answers

What is the pH range of the pH scale?

0 to 10

1 to 13

7 to 14

0 to 14 (correct)

Which of the following is a property of acids?

Taste bitter

Feel slippery

Turn blue litmus paper red (correct)

Turn red litmus paper blue

What does a base do in terms of protons?

Accepts OH- ions in a solution (correct)

Has no role in proton transfer

Releases H+ ions into a solution

Donates protons in a solution

Which household substance is classified as an acid?

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

What type of reaction occurs when acids and bases combine?

Neutralization reaction Signup and view all the answers

Which substance turns red litmus paper blue?

Ammonia Signup and view all the answers

What is the taste associated with bases?

Bitter Signup and view all the answers

What is the pH range for bases on the pH scale?

7 to 14 Signup and view all the answers

Which substance serves as a reference point for both acids and bases?

Water Signup and view all the answers

Why do buffers play a critical role in biological processes?

To resist changes in pH Signup and view all the answers

Which of the following is a common pH indicator used in laboratories?

Phenolphthalein Signup and view all the answers

What pH value is considered neutral on the pH scale?

Exactly 7 Signup and view all the answers

How is water classified in terms of acidity or basicity?

Neutral Signup and view all the answers

What is the significance of a substance with a pH of 1 on the pH scale?

It is extremely strong acid Signup and view all the answers

'Buffers resist changes in pH by neutralizing relatively small amounts of ______ or bases.' Fill in the blank.

'acids' Signup and view all the answers