Acids and Bases

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 an acid?

Back

A pH value less than 7 indicates an acid.

Front

What pH value indicates a base?

Back

A pH value greater than 7 indicates a base.

Front

What is a neutral substance?

Back

A neutral substance has a pH of 7, meaning it is neither acidic nor basic, like pure water.

Front

What are the characteristics of acids?

Back

Acids typically have a sour taste, can conduct electricity, and produce H+ ions when dissolved in water.

Front

What are the characteristics of bases?

Back

Bases typically have a bitter taste, feel slippery, and produce OH- ions when dissolved in water.

Front

What is an example of a common acid?

Back

Lemon juice is a common acid, primarily due to citric acid.

Front

What is an example of a common base?

Back

Laundry detergent is a common base, often containing sodium hydroxide.

Front

What happens to the pH of a solution when an acid is added?

Back

The pH of the solution decreases, becoming more acidic.

Front

What happens to the pH of a solution when a base is added?

Back

The pH of the solution increases, becoming more basic.