pH Levels & Litmus Paper

On a pH scale of 1-14, rates 1-6 can be considered _______ solutions.

• acidic

• basic

• semi-basic

• neutral

On a pH scale of 1-14, a rate of 7 can be considered a _______ solution.

• acidic

• basic

• semi-basic

• neutral

On a pH scale of 1-14, rates 8-14 can be considered _______ solutions.

• acidic

• basic

• semi-acidic

• neutral

Of the following pH rates, which rate can be considered the most acidic?

• 12

• 8

• 3

• 2

Of the following pH rates, which rate can be considered the most basic?

• 12

• 8

• 3

• 2

Rank the following recorded pH rates in order from most acidic to least acidic (12, 3, 8, 2)

• 12, 8, 3, 2

• 2, 3, 8, 12

• 3, 8, 2, 12

A mystery solution is discovered. A red and blue litmus paper has been placed in the solution. After 30 minutes, the red litmus paper remains red. The blue litmus paper has turned red. What type of solution is this?

• This is an example of an acid

• This is an example of a base

• This is an example of a acid and base

• Not enough information is provided to draw a conclusion

A second mystery solution is discovered. A red and blue litmus paper has been placed in the solution. After 30 minutes, the red litmus paper turns blue. The blue litmus paper remains blue. What type of solution is this?

• This is an example of an acid

• This is an example of a base

• This is an example of a acid and base

• Not enough information is provided to draw a conclusion

A second mystery solution is discovered. A red and blue litmus paper has been placed in the solution. After 30 minutes, the red litmus paper remains red. The blue litmus paper remains blue. What type of solution is this?

• This is an example of an acid

• This is an example of a base

• This is an example of a acid and base

• This is an example of a neutral solution

Acids:

• Red Litmus Paper-> Red

  Blue Litmus Paper -> Blue

• Red Litmus Paper-> Red

  Blue Litmus Paper -> Red

• Red Litmus Paper-> Blue

  Blue Litmus Paper -> Blue

• Red Litmus Paper-> Blue

  Blue Litmus Paper -> Red