PH Lesson

On the pH scale, which substance is more acidic than tomato juice?

• lemon juice

• salt

• bleach

• baking soda

According to the pH scale, which item is a stronger base than soap?

• baking soda

• ammonia solution

• tomato

• bleach

The pH scale is a range from:

• 1-7

• 0-14

• 1-5

• 1-14

Ranging from 0 to 14, a pH value indicates how acidic or basic a solution is.  Which of these pH values would be a strong acid?

• 2

• 6

• 9

• 13

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

What would you call a substance that is 7 on the pH scale?

• acid

• base

• neutral

• solute

Which one of the following is not an example of an acid?

• tomatoes

• black coffee

• baking soda

• grapefruit

Since some acids seemingly "eat away" certain substances, acids are ____.

• bitter

• slippery

• corrosive

• weak

Abigail is conducting a science experiment in her school. She has a litmus paper and she dips it in a solution that she knows is an acid. What color will the litmus paper turn?

• blue

• black

• green

• red

A substance that is a 1 on the pH scale would be a(n) ____.

• base

• neutral

• acid

• indicator