Properties of Water

Front

What is the pH scale range?

Back

0-14

Front

What gives a water molecule a charge at either end?

Back

The 'V' shape of the water molecule.

Front

What property of water makes it a universal solvent?

Back

Polarity.

Front

What are attractions between water molecules called?

Back

Hydrogen bonds.

Front

Why does ice float on water?

Back

As water freezes, it expands and its density decreases.

Front

What is the term for the amount of heat required to raise the temperature of water?

Back

Specific heat capacity.

Front

What is cohesion in relation to water?

Back

Cohesion is the attraction between water molecules due to hydrogen bonding.

Front

What is adhesion in relation to water?

Back

Adhesion is the attraction between water molecules and other substances.

Front

What is the significance of water's high heat capacity?

Back

It helps regulate temperature in the environment and organisms.

Front

What is surface tension in water?

Back

Surface tension is the cohesive force at the surface of water that makes it behave like a stretched elastic membrane.