Acids and Bases

HF is...

• an acid

• a base

• a salt

• an ionic compound

Tags

NGSS.HS-PS1-2

HNO₂

• a base

• a salt

• an acid

• an ionic compound

KOH is ...

• an acid

• a base

• a salt

• an ionic compound

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