Acids, Bases, and pH Scale

Acids, Bases, and pH Scale

10th Grade

10 Qs

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Acids, Bases, and pH Scale

Acids, Bases, and pH Scale

Assessment

Quiz

Science

10th Grade

Medium

Created by

Jill Semko

Used 1+ times

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10 questions

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1.

CLASSIFICATION QUESTION

3 mins • 1 pt

Organize the following properties.

Groups:

(a) Acids

,

(b) Bases

,

(c) Both Acids and Bases

Formulas begin with H

Feel slippery

Low pH value

Good conductors of electricity

Sour-tasting

Formulas contain OH- and HCO3-

Release hydrogen ions

Release hydroxide ions

Bitter-tasting

Water-soluble

Described as alkaline

High pH value

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term "alkaline" refer to?

A solution with a pH less than 7.

A solution with a pH equal to 7.

A solution with a pH greater than 7.

A solution with a pH of exactly 0.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pH scale?

A scale that measures the temperature of a solution.

A scale that measures the acidity or basicity of a solution.

A scale that measures the density of a solution.

A scale that measures the colour intensity of a solution.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the pH scale represent?

The concentration of water molecules in a solution.

The concentration of hydrogen ions (H+) in a solution.

The concentration of oxygen ions (O2-) in a solution.

The concentration of hydroxide ions (OH-) in a solution.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean that the pH scale is a logarithmic scale?

Each unit change on the pH scale represents a tenfold change in hydrogen ion concentration.

Each unit change on the pH scale represents a twofold change in hydrogen ion concentration.

Each unit change on the pH scale represents a hundredfold change in hydrogen ion concentration.

Each unit change on the pH scale represents no change in hydrogen ion concentration.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following pH values indicates a neutral solution?

pH 0

pH 7

pH 14

pH 10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following pH values indicates an acidic solution?

pH 2

pH 7

pH 14

pH 10

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