Matter and its characteristics

_____________ is the measure of mass in unit volume.

• weight

• density

• volume

we can distinguish between ammonia and perfume by their different ___________

• color

• smell

• taste

• shape

Measuring unit of density is

• $\frac{cm^3}{g}$

• kg

• $\frac{g}{cm^3}$

• $\frac{g}{cm}$

Substances that have a density less than the density of water ___________

• sink

• float

Substances that have a density more than the density of water _____________

• float

• sink

• rise

Density of __________ and _________ is less than density of water.

• Oil drops , iron nail

• iron nail , wood

• Oil drops , wood

The taste property is the distinguishing factor between

• oxygen and nitrogen

• milk and honey

• wood and plastic

• silver and gold

The volume of the liquid is calculated from the relation

• $\frac{mass}{density}$

• $\frac{density}{mass}$

• mass x density

• no correct answer

substances of low melting point are

• ice , wax , iron

• butter , ice , silver

• butter , ice , wax

• butter , wax , copper

The temperature at which substance changes from ________ is melting point.

• liquid to solid

• solid to liquid

• liquid to gas