Acids and Bases

Front

What are acids?

Back

Corrosive substances characterized by a strong smell, a sour taste, and a pH less than 7.

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a substance is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is a base?

Back

A substance that can accept hydrogen ions (H+) and has a pH greater than 7.

Front

What is a neutral substance?

Back

A substance with a pH of 7, neither acidic nor basic.

Front

What is a molecule?

Back

Two or more atoms bonded together.

Front

What is the chemical formula for water?

Back

H2O, which consists of two hydrogen atoms and one oxygen atom.

Front

What happens when an acid reacts with a base?

Back

They neutralize each other, producing water and a salt.

Front

What is an example of a common acid?

Back

Hydrochloric acid (HCl), found in stomach acid.

Front

What is an example of a common base?

Back

Sodium hydroxide (NaOH), commonly found in drain cleaners.

Front

What is the effect of acids on litmus paper?

Back

Acids turn blue litmus paper red.