Solutions

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

• stir the powder in the liquid

• freeze the mixture

• do nothing

• store the mixture in a dark place

Soda's main ingredients are Carbon Dioxide, Sugar, and Water.

Identify the solvent

• only water

• only carbon dioxide

• only sugar

• carbon dioxide and sugar

To make a solute dissolve more quickly i n a solvent which would you do?

• Put it in cold water and stir it

• Put it in warm water and stir it

• Throw it in the garbage

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated
• unsaturated
• saturated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Solubility refers to the ____ of solute that can dissolve in a certain volume or mass of solvent, at a certain temperature.

• Mean

• Range

• Amount

• Mode

Tags

NGSS.HS-PS1-5

The universal solvent is ______. 

• sodium 
• acid 
• water 
• wind 

Tags

NGSS.HS-ESS2-5

If an electrical current can run through a solution, it is said to contain

• magic

• krabby patty

• electricity

• mobile ions