Acids and Bases

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a chemical reaction and has a pH less than 7. Example: Orange juice.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a chemical reaction and has a pH greater than 7. Example: Baking soda.

Front

What is pH?

Back

pH is a scale used to measure the acidity or basicity of a solution, ranging from 0 (strongly acidic) to 14 (strongly basic), with 7 being neutral.

Front

What does litmus paper indicate?

Back

Litmus paper is used to determine the pH of a substance; it turns red in acidic solutions and blue in basic solutions.

Front

What is a neutral solution?

Back

A neutral solution is one that has a pH of 7, meaning it is neither acidic nor basic.

Front

What is the property of bases?

Back

Most bases feel slippery to the touch and can taste bitter.

Front

What happens when an acid and a base react?

Back

When an acid and a base react, they typically neutralize each other, producing water and a salt.

Front

What is an example of a common household acid?

Back

Common household acids include vinegar and lemon juice.

Front

What is an example of a common household base?

Back

Common household bases include baking soda and ammonia.

Front

What is the significance of blood pH?

Back

Human blood has a pH between 7.35 and 7.45, which is slightly basic; maintaining this pH is crucial for proper bodily functions.