Properties of water and pH Scale Review

Front

What is a base in terms of its behavior in water?

Back

A base is a substance that releases OH- ions when dissolved in water.

Front

What type of substance has a pH less than 7?

Back

An acid.

Front

What is the term for the property of water that allows it to stick to other surfaces, such as a leaf?

Back

Adhesion.

Front

If a solution has a pH of 9 and another has a pH of 12, what can be said about both solutions?

Back

Both solutions are bases.

Front

What property of water allows a paperclip to float on its surface?

Back

Surface tension.

Front

What is the pH range for acids?

Back

Acids have a pH less than 7.

Front

What is the pH range for bases?

Back

Bases have a pH greater than 7.

Front

Define surface tension in the context of water.

Back

Surface tension is the cohesive force at the surface of a liquid that allows it to resist an external force.

Front

What is the significance of the pH scale in chemistry?

Back

The pH scale measures the acidity or basicity of a solution.

Front

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

Back

The pH of the solution decreases.