pH Scale

Which is NOT a property of a base?

• Tastes sour

• Slippery

• Bitter taste

• Turns red litmus to blue

According to the pH scale, milk is considered an acid because the pH is equal to

• 3

• 8

• 5

• 6

Bleach is a strong base, what is the pH level of bleach?

• 13
• 14
• 1
• 2

Tags

NGSS.MS-PS1-2

Which solution is the least acidic?

• pH = 1

• pH = 3

• pH = 5

• pH = 7

Tags

NGSS.MS-PS1-2

Pure water has a pH of __.

• 1

• 4

• 7

• 14

Which solution is least acidic?

• pH = 2.5

• pH = 6.3

• pH = 10.9

• pH = 13.7

You have a container with a liquid at a pH of 5.5 You want to make the liquid more alkaline (basic). You should add ___.

• an acid

• a base

Which substance is the most basic?

• hydrochloric acid

• blood

• drain cleaner

• water

Tags

NGSS.MS-PS1-2

We should use eco-friendly drain cleaner, because many commonly used drain cleaners are __.

• strong acids

• weak acids

• weak bases

• strong bases

Tags

NGSS.MS-PS1-2

Choose the correct answer. Acid or base?

• Acid

• Base

Tags

NGSS.MS-PS1-2