Acids and Bases Test

Think about the pH scale. The numbers listed below are the pH of each substance. Which of the following are considered bases?

• baking soda solution - 8.5

• ammonia - 11.6

• eggs - 7.8

• soft drink - 2.9

• pure water - 7.0

What does pH stand for?

• properties of hydrogen

• properties of hydroxide

• power of hydrogen

• power of hydroxide

An acid-base _______________ tells us whether we have an acid or a base.

• indicator

• catalyst

• solvent

• buffer

What is 7 on the pH scale?

• acid

• base

• neutral

• alkaline

Which of the following is a property of both acids and bases?

• They both taste sour.

• They both feel slippery.

• They both conduct electricity.

• They both turn litmus paper the same color.

Tags

DOK Level 2: Skill/Concept

What is the effect of adding an acid to a base?

• The solution becomes more acidic.

• The solution becomes more basic.

• The solution becomes neutral.

• The solution remains unchanged.

Tags

DOK Level 2: Skill/Concept

When a base is dissolved in water, what is released?

• H+

• OH-

• CO2

• H-

Which evidence supports your answer to question 8?

• Weak acids range from 6-7 on the pH scale.

• pick the other answer- messed up on test sorry :/

The pH scale ranges from _______________________.

• 1-15

• 0-10

• 0-14

• 1-18

Look at the table above. Which of the following best describes the pH of milk?

• slightly basic

• strongly basic

• slightly acidic

• strongly acidic

Tags

NGSS.MS-PS1-2