Matter (Chapter 2) Review

Which of the following is not an example of a physical property?

• freezing point

• boiling point

• reactivity

• density

A substance has a mass of 360 g and a volume of 7.5 mL. What is its density?

• 2,700 g/mL

• 270 g/mL

• 480 g/mL

• 48 g/mL

Stainless steel has chemical properties such as

• electrical conductivity.

• resistance to rust.

• high melting point.

• hardness.

Which of the following is an example of a chemical change?

• ice melting

• pounding gold into a coin

• a puddle of water evaporating

• paint fading

Digesting food is an example of

• buoyancy.

• change of state.

• chemical change.

• physical change.

You put a spoonful of salt into 1 liter of water and stir. The resulting liquid is an example of a(n)

• immiscible mixture.

• homogeneous mixture.

• heterogeneous mixture.

• pure substance.

Which of the following is an example of a chemical property?

• color

• solubility in water

• density

• reactivity with oxygen

Steel has a density of 7.8 g/cm3 . What is the mass of a block of steel with a volume of 600.0 cm3 ?

• 77 g

• 7,700 g

• 4,680 g

• 460 g

Which of the following is an example of a physical change?

• rusting iron

• cooking an egg

• burning wood into charcoal

• dissolving salt in water

What is the density of a sample of liquid that has a volume of 125 mL and a mass of 200 g?

• 0.625 g/mL

• 16 g/mL

• 1.6 g/mL

• 75 g/mL