Water and Solutions

What is the manipulated variable?

• Rate of solubility

• Temperature

• Volume if water

• Stirring and not stirring process

A solution that is considered dilute would be....

• Dark in color

• Have a strong scent

• Have a large amount of solute

• Have a small amount of solute

When a solvent contains as much of the solute as it can hold, the solution is said to be

• supersaturated

• diluted

• saturated

• unsaturated

It is a maximum amount of solute that is soluble in 100 cm³ of solvent at a specific temperature.

This statement refers to

• Solute

• Solution

• Solubility

• Solvent

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

NGSS.MS-PS3-4

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

What is these phrases suspended particles means

• A homogenus mixture from two or more substances

• Substance that dissolves in other substances

• Solids that do not dissolve in liquids

• Substance that dissolves other substances

People must have _______ to drink in order to survive.

• frozen water

• clean water

• contaminated water

• polluted water

Tags

NGSS.MS-LS2-1

What is the best way to purify water?

• Add salt

• Put inside the refrigerator

• Filtration or Boiling

• Find a very clean stream of water

Tags

NGSS.MS-PS1-2