Acids, Bases, pH

A pH of 14 is a .....

• strong acid
• weak acid
• Strong base
• Weak base

What does a pH scale do?

• Tells you if a substance is an acid.
• Tells you if a substance is a base.
• Measures the strength or weakness of an acid or base.
• All of these are true.

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

The lower the pH, the greater the concentration of :

• OH-
• H+

HNO₃ is an example of a(n)

• Acid
• Base

Is this substance acidic, basic, or neutral?

• Acidic
• Basic
• Neutral

Tags

NGSS.MS-PS1-2

The pH scale is a range from:

• 1-7
• 0-14
• 1-14
• 1-20

This substance releases OH- into solution

• Acid
• Base
• Neutral

LiOH is an example of a(n)

• Acid
• Base
• Neutral

pH measures the presence or what kind of ions?

• Sulfur
• Oxygen
• Nitrogen
• Hydrogen