Acids and Bases

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a solution and typically has a sour taste. Acids have a pH less than 7.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or produces hydroxide ions (OH-) in a solution. Bases usually have a bitter taste and feel slippery.

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What pH value indicates a strong acid?

Back

A strong acid typically has a pH value of 1 to 3.

Front

What pH value indicates a strong base?

Back

A strong base typically has a pH value of 11 to 14.

Front

What are some common properties of acids?

Back

Acids taste sour, conduct electricity in solution, and react with metals to produce hydrogen gas.

Front

What are some common properties of bases?

Back

Bases taste bitter, feel slippery, and can conduct electricity when dissolved in water.

Front

What happens when an acid reacts with a base?

Back

When an acid reacts with a base, they neutralize each other, producing water and a salt.

Front

What is an example of a weak acid?

Back

An example of a weak acid is acetic acid, which is found in vinegar.

Front

What is an example of a strong acid?

Back

An example of a strong acid is hydrochloric acid (HCl), commonly found in stomach acid.