Solutions that conduct a current are called ____________ and are made from ___________ compounds.

• electrolytes; ionic

• nonelectrolytes; ionic

• electrolytes; molecular

• electrolytes; covalent

The ___ is the thing being dissolved.

• solute

• solvent

• mixture

• suspension

Another name for a homogeneous mixture is 

• an element.

• a solution.

• a compound.

A dissolved solute that does not form ions is:

• nonelectrolyte

• weak electrolyte

• strong electrolyte

• insoluble

Since "like dissolves like", water and oil will not mix because

• both of them are polar

• both of them are nonpolar

• oil is polar and water is nonpolar

• oil is nonpolar and water is polar

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

What is a solute?

• The substance that does the dissolving in a solution.

• The substance that is dissolved into the solution.

• The mixing of different substances.

• The process in which neutral molecules lose or gain electrons

Which of the following is an electrolyte?

• sodium chloride

• sugar

• water

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

• add more powder to the liquid

• store the mixture in a dark place

Tags

NGSS.MS-PS3-5

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 95 ºC?

• 83 grams

• 75 grams

• 40 grams

• 12 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4