Chemical Reactions & Neutralization

Front

What is the pH of a basic solution?

Back

A basic solution has a pH greater than 7.

Front

What is a combustion reaction?

Back

A combustion reaction is a chemical reaction that occurs when a substance reacts with oxygen, producing heat and light, typically resulting in carbon dioxide and water.

Front

What is the most acidic pH that blueberries can tolerate?

Back

The most acidic pH that blueberries can tolerate is 4.0.

Front

What does the pH scale measure?

Back

The pH scale measures the concentration of hydrogen ions in a solution.

Front

What pH range do maple trees prefer for optimal growth?

Back

Maple trees prefer a soil pH of 5.5 to 6.5, which is slightly acidic.

Front

What is a neutral solution on the pH scale?

Back

A neutral solution has a pH of 7.

Front

What is an acidic solution?

Back

An acidic solution has a pH less than 7.

Front

What is the chemical equation for the combustion of propane?

Back

C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g) is the combustion reaction of propane.

Front

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

Back

The pH of the solution decreases (becomes more acidic) when an acid is added.

Front

What is the effect of adding a base to a solution?

Back

Adding a base to a solution increases the pH (makes it more basic).