Pure Substances and Mixtures

What is a substance made of two or more elements that are chemically combined called?

• A. element

• B. compound

• C. mixture

• D. solution

All matter is made of .....

• energy 
• atoms 
• air
• chemistry

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A substance that cannot be broken down into any other substance by ordinary chemical means is called

• a molecule.

• a mixture.

• an element.

• a compound.

Two or more physically combined substances form

• a compound.

• an acid.

• an element.

• a mixture.

What is an example of a mixture?

• Table salt

• Water

• Oxygen

• Air

This picture represents which of the following?

• element
• compound
• mixture of elements
• mixture of compounds

Tags

NGSS.MS-PS1-1

This picture represents which of the following?

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1

Which of the following is a mixture?

• oxygen

• gold

• sand

• water

Chocolate milk is an example of a _________________.

• homogeneous mixture

• heterogeneous mixture

Salad is an example of a _____________.

• homogeneous mixture

• heterogeneous mixture