The sour taste of lemons is due to the presence of

• acids

• bases

• salts

• water

The bitter taste of coffee is due to the presence of

• acids

• bases

• salts

• water

What does a hydrogen ion look like?

• H+

• OH-

What does a hydroxide ion look like?

• H+

• OH-

An acid always contains what kind of ion?

• H+

• H-

• OH+

• OH-

A base always contains what kind of ion?

• H+

• H-

• OH+

• OH-

Acids and bases are composed of positive and negative ions, which means that they are what type of compound?

• covalent

• ionic

The common name for HCl is

• hydrogen chloride acid

• hydrochloric acid

• chlorine acid

• acetic acid

What is the main acid found in vinegar?

• hydrochloric acid

• sulfuric acid

• carbonic acid

• acetic acid

Which base is most commonly used to treat acidic soil and water in nature?

• sodium hydroxide

• magnesium hydroxide

• calcium hydroxide

• lithium hydroxide

Tags

NGSS.MS-ESS3-3