Acids and Bases

Which has a pH below 7?

• Acid

• Base

Which has a bitter taste?

• Base

• Acid

• flagella

• cila

Which has a slippery texture?

• Acid

• Base

Turns litmus red

• Acids

• Bases

• All

What pH is the strongest base?

• 1

• 7

• 4

• 14

What colour does a base turn red litmus paper?

• Red

• Blue

Tags

NGSS.MS-PS1-2

What methods can you use to measure the pH of a solution?

• Observing color or clarity

• Measuring mass or volume

• Measuring density or electrical conductivity

• Using acid base-indicators or pH meters

Which of the following is most likely to be basic:

• Lemon juice

• Vinegar

• Laundry detergent

• Coke

Tastes Sour

• Acids

• Bases

• Salts

• All

Why are bases useful as cleaning products?

• They dissolve fats and oils

• they are corrosive, so they eat anything

• they don't mix with water

• since bases are slippery, they slip dirt off of surfaces