Pure Substances and Mixtures

Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?

• The salad and fruit drink are both mixtures.
• The salad and the fruit drink are both solutions.
• The fruit drink is a mixture because the ingredients can't be separated.
• The salad is a solution because the ingredients can't be separated.

In the lab, Maya is using a substance that has a chemical formula and contains two different elements. Maya’s substance is a(n) _______ .

• element

• compound

• heterogeneous mixture

• homogenous mixture/solution

Tags

NGSS.MS-PS1-1

Addie's class is learning about mixtures and solutions. Her teacher writes statements on the board. Which statement BEST describes a mixture?

• Both substances mix evenly.
• Both substances can evaporate.
• One substance dissolves into another.
• One substance can be separated from the other.

What type of substance is glucose? ( $C_6H_{12}O_6$  )

• element

• compound

• heterogeneous mixture

• homogeneous mixture

Tags

NGSS.MS-PS1-1

A mixture that is uniform and well mixed is _____.

• homogeneous
• hetergeneous
• pure substance
• compoud

_______________ are mixtures in which its particles are too big to stay mixed without being stirred or shaken.

• Solutions

• Colloids

• Suspensions

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

• heterogeneous

• homogeneous

• pure

The chemical symbol for sulfuric acid is H2SO4. How many atoms are contained in each molecule of sulfuric acid?

• 3

• 5

• 6

• 7

Tags

NGSS.MS-PS1-1

The chemical formula for table sugar is C12H22O11. How many oxygen atoms are in each sugar molecule?

• 2

• 11

• 12

• 22

Tags

NGSS.MS-PS1-1

You put 1 gram of salt into 1 liter of water and stir. The resulting liquid is an example of

• a pure substance

• a heterogenous mixture

• a homogenous mixture

• an immiscible mixture