Solubility and Solutions

A solvent is

• a mixture

• a liquid

• A liquid substance which dissolves a solute

• anything that can mix

Choose from the list below, an example of a solvent

• sand

• sugar

• salt

• water

Which method below is used to get back the salt from a solution of salt and water?

• Condensation

• Photosynthesis

• Freezing

• Evaporation

Stirring the solution...

• Slows the process down

• Doesn't change the process

• Speeds up the process

• None of the above

Water is a universal solvent

• true

• false

Tags

NGSS.MS-ESS2-4

As the temperature increases, the rate at which the solute dissolves ____________

• remains the same

• decreases

• also increases

• none of the above

Tags

NGSS.MS-PS1-4

Why fine salt dissolves faster bin water compared to coarse salt?

• Fine salt has bigger total surface area exposed to water

• Fine salt has smaller total surgace arra exposed to water

In which beaker does salt dissolves faster?

• Hot water

• Room temperature

• Ice watet

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does salt dissolves faster in hot water?

• Hot water hive high kinetic energy to solvent and solute perticles

• More collision between solute and solvent particles

• Higher temperature gives more surgace area to the solute

Tags

NGSS.MS-PS1-4

Higher temperature, higher rate of solubility

• True

• False

Tags

NGSS.MS-PS1-4