Physical Properties and Mixtures

All of the following are examples of physical properties. Which example is quantitative?

• color

• texture

• melting point

• malleability

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Which physical property could best describe if a substance is a solid at room temperature (25C)?

• boiling point of 100 C

• melting point of -39 C

• melting point of 801 C

• boiling point of 78 C

Tags

NGSS.MS-PS1-4

All of the following are general characteristics of a substance in the liquid state except

• definite volume

• able to flow

• not easily compressed

• definite shape

Which is not a physical property of water?

• boiling point of 100 C

• colorless liquid

• able to dissolve table salt

• separates into hydrogen and oxygen

Solutions are an example of

• homogeneous mixtures

• heterogeneous mixtures

Which of the following is an example of a heterogeneous mixture?

• milk

• chocolate chip cookie

• slice of white bread

• Kool-Aid

Density is a physical property. Which is not a characteristic of density

• density of a substance increases as temperature increases

• density of a substance decreases as temperature increases

• density is expressed in g/mL

• density is expressed in g/cm³

1 mL = ______ cm³

What volume does 39 g of water occupy at 25 C?

• 3.9 L

• 39 mL

• 39 dm³

• All of the above are correct

A cube of gold-colored metal with a volume of 64 cm³ has a mass of 980 g. The density of pure gold is 19.3 g/cm³. Is the metal pure gold?

• Yes, the metal is pure gold

• No, the metal's density is less than that of pure gold

• No, the metal's density is greater than that of pure gold