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Acids, Bases, and Buffers Challenge

Authored by Leni E

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12th Grade

Acids, Bases, and Buffers Challenge
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between strong and weak acids?

Strong acids are always more concentrated than weak acids.

Strong acids fully dissociate in solution; weak acids partially dissociate.

Weak acids have a higher pH than strong acids.

Strong acids are less corrosive than weak acids.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the pH scale work and what does it measure?

The pH scale measures temperature changes in a solution.

The pH scale indicates the color of a solution.

The pH scale measures the density of a solution.

The pH scale measures the acidity or alkalinity of a solution.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating pH?

pH = log10[H+]

pH = [H+] / 10

pH = -log10[H+]

pH = 14 - pOH

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the process of neutralization between an acid and a base.

Neutralization results in the formation of hydrogen gas and a base.

The process of neutralization between an acid and a base results in the formation of water and a salt.

The reaction between an acid and a base creates a strong acid.

The process of neutralization produces only carbon dioxide.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the characteristics of a strong acid?

Strong acids completely dissociate in water, have low pH, and high conductivity.

Strong acids are non-electrolytes in solution.

Strong acids partially dissociate in water.

Strong acids have high pH and low conductivity.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a buffer solution and how does it work?

A buffer solution changes pH dramatically when mixed with water.

A buffer solution is only effective in neutralizing strong acids.

A buffer solution is a solution that resists changes in pH upon the addition of small amounts of acid or base.

A buffer solution is a type of strong acid.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the pH of a solution given the concentration of hydrogen ions?

pH = [H+]

pH = log10[H+]

pH = 14 - [H+]

pH = -log10[H+]

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