Pure and Impure Matter

Which of the following is a mixture?

• air

• ice

• hydrochloric acid

• mercury

Tick the COMPOUNDS.

• SOAP

• METHANE

• CALCIUM CARBONATE

• SILICON

• TIN

WHICH ONE IS A MIXTURE?

• BLOOD

• CARBON DIOXIDE

• SILICON

• SODIUM

• TIN

A/An _______________ is made up of one or more of the same kind of atom chemically combined.

• atom

• element

• compound

• molecule

True or False: elements and compounds are pure substances.

• True

• False

Elements are broadly classified as metals, nonmetals, and _________________.

• compounds

• mixtures

• metalloids

Blood is a fluid found in the bodies of humans and other animals. It can be physically separated into plasma, red blood cells and white blood cells. Blood is a ___________________

• pure substance

• mixture

In a ______________, one substance is dissolved in another substance.

• solution

• suspension

• colloid

Tags

NGSS.MS-PS1-2

Sugar water let's light pass through, and is a homogeneous mixture

• solution
• suspension
• colloid

Tags

NGSS.MS-PS1-2

The substance that does the dissolving is known as the ______

• solute
• solvent
• soluble
• insoluble