Science Review #2 (2024)

Front

What is the pH scale?

Back

A scale that ranges from 0-14 used to measure the acidity or basicity of a substance.

Front

What is an acid?

Back

A substance with a pH below 7 that produces hydrogen ions (H+) when dissolved in water.

Front

What is a droplet?

Back

A small amount of liquid that sticks together, forming a sphere.

Front

What does corrosive mean?

Back

Tending to damage or destroy a substance, especially living tissue, on contact by chemical action.

Front

What is an alkali?

Back

A base that dissolves in water.

Front

What is the pH of a neutral substance?

Back

7.

Front

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

Back

The pH decreases, indicating increased acidity.

Front

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

Back

The pH increases, indicating increased basicity.

Front

What is the difference between a strong acid and a weak acid?

Back

A strong acid completely dissociates in water, while a weak acid only partially dissociates.

Front

What is surface tension?

Back

The cohesive force at the surface of a liquid that makes it behave like a stretched elastic membrane.