Properties of Water

Which of the following is NOT a property of water?

• Hydrogen bonds exist only in the solid state

• It can dissolve ionic and polar molecules

• It has a high surface tension

• The solid state is less dense than the liquid state.

Ice floats on water because...

• liquid water is less dense than ice.

• Water's surface tension is strong enough to support the ice.

• there is oxygen dissolved in liquid water.

• the molecules in ice are farther apart than the molecules in liquid water, making the ice less dense.

A property of water that is vital to supporting life its that...

• water is transparent

• water can dissolve a wide variety of substances

• Water is found naturally on Earth as a liquid.

• water molecules are not charged.

Cohesion is...

• exemplified by the action of water droplets sticking to your drinking glass.

• a property that allows water to dissolve certain substances.

• A phenomenon that occurs only at the surface of water

• an attraction between molecules of the same kind.

Drops of dew on a leaf owe their dome shaped appearance to...

• cohesion

• adhesion

• the density of water

• cohesion, adhesion, and surface tension

A frozen lake in winter with fish swimming below the surface is possible because of which property of water?

• cohesion and adhesion

• ice being less dense than liquid water

• surface tension

• Universal solvent

Which of the following properties helps explain why a city near the Pacific Ocean experiences less dramatic changes in temperature during the day compared to a city further inland.

• Water has a high surface tension

• Water has a low specific heat

• Water forms covalent bonds

• Water has a high specific heat

Fill in the blanks: Oil is ___________ than water as well as ______________, with evidence being that oil sits on top of water as well as seperates and cannot be dissolved in water.

• cooler; polar

• more dense, polar

• less dense, non-polar

• cohesive; polar

What is meant by the fact that water is a polar molecule?

• water has a slightly negative charge overall

• water has no evident charge, unless in solid form

• water has a very evident charge, but only in a gaseous form

• water has a slightly positive charge but only as a liquid.

The bonds between water molecules is called a/an....

• ionic bond

• hydrogen bond

• covalent bond

• metallic bond