Water #2

What is the only substance on Earth that occurs naturally in all three states of matter?

• air

• water

• carbon

• hydrogen

What is the chemical formula of water?

• C6H12O6

• H2O2

• H3O

• H2O

What is probably the most important property of water molecules?

• Hydrogen bonding

• ionic bonding

• covalent bonding

• its clarity

The attraction between two like things is called - -

• convection

• adhesion

• cohesion

• advection

The cohesive properties of water result in __

• high surface tension

• ice crystallization

• condensation

• capillary action

When a polar substance is added to water, it breaks the __

• covalent bonds

• adhesive forces

• cohesive forces

• magnetic forces

The attraction between two different substances is called __

• hydrophobia

• cohesion

• infusion

• adhesion

The water molecules are attracted to the molecules in the straw because of __

• magnetism

• gravity

• cohesion

• adhesion

Because water is good at dissolving things, we call it __

• a solvent

• a liquid

• non-polar

• acidic

Substances that dissolve in water are called __

• hydrophobic

• hydrophillic

• gasses

• ionic