1.2 - Salinity

A substance which can dissolve other substances.

• Solute

• Solution

• Solvent

• Mixture

Occurs when two or more substances closely intermingle yet retain their individuality.

• solute

• solution

• solvent

• mixture

Sodium Chloride is formed by what type of bond?

• Covalent Bond

• Polar Covalent Bond

• Ionic Bond

• Hydrogen Bond

Tags

NGSS.HS-PS1-2

NaCl is easily dissolved in water when its ionic bond is broken by

• the polarity of water molecules

• the hydrophobic nature of sodium chloride

• the neutrality of water molecules

• the neutrality of Sodium Chloride

Tags

NGSS.MS-PS1-2

Solubility of salts increases in water as

• Temperature increases

• temperature decreases

Tags

NGSS.MS-PS1-4

The average salinity of the open ocean is

• 10ppt

• 20ppt

• 35ppt

• 55ppt

the top two inorganic salts by weight in seawater are

• Magnesium and Calcium

• Calcium and Potassium

• Sodium and Sulfate

• Chloride and Sodium

Sources of Salts in the ocean include all of the following images except ..

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-4

Processes that remove salts from the ocean include all of the following except...

• Sea spray

• Hydrothermal vents on the seafloor

• Snails uptaking calcium to make their shell.

• Absorption/deposition on the seafloor

Which of the following scenarios would likely increase the salinity in a coastal marine environment.

• high amounts of rain

• large amount of freshwater input from a river

• sunny conditions with high evaporation rate