Properties of Water Test

What is the "stickiness" that causes the positive end of one water molecule to bond to the negative end of another water molecule?

• Covalent bonding
• Ionic bonding
• Hydrogen bonding
• Van Der Waals Forces

Water has a __________ heat of vaporization, meaning it will evaporate ____________ relative to other liquids

• high; quickly
• high; slowly
• low; quickly
• low; slowly

Which of the following statements best describes the Principle of Constant Proportions?

• The proportions of dissolved solids in the ocean varies greatly from ocean to ocean
• The proportions of dissolved solids in the ocean is always the same
• The proportions of dissolved solids depends on the temperature and pressure of the water
• The proportions of dissolved solids increases as you move down in the water column

Water becomes denser when it reaches its freezing point.

• True
• False

The most abundant elements in ocean salts are...

• Na and Cl
• Na and Mg
• Cl and Br
• Fe and Na

Which layer of the ocean has the least dense water?

• Surface layer/mixed layer
• Thermocline
• Pycnocline
• Deep layer

Bioluminescence is the only source of light in which zone of the ocean?

• Photic zone
• Deep zone
• Thermocline
• Pycnocline

Which layer of the ocean has the densest water?

• Surface layer/mixed layer
• Thermocline
• Deep layer
• Intermediate layer

Which gas makes up the majority of dissolved gasses in the ocean?

• Nitrogen
• Oxygen
• Carbon dioxide
• Methane

Which of the following chemicals CANNOT be found in seawater but can be found in river water?

• Silica, Iron, and Bicarbonate
• Calcium and Sodium
• Nitrate and Chloride
• Potassium and Chloride