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Worksheetsmatter and its characteristics
Total questions: 10
Worksheet time: 5mins
the density of petroleum oil is ...............that of water.
less than
more than
equal to
no correct answer
.................... doesn't melt by heating
Rubber
silver
aluminium
coal
an alloy used in making jewels( (a) )
1)Balloons filled with helium rise up in the air
carrying flags during Festivals. why?
because the density of helium is less than the density of air
because, it is a magic
because the density of helium is more than the density of air
because, the balloons can fly easily
If object has density of 2 gm/cm3 is thrown in a cup of water ,it will.......
(knowing that the water density =1gm/cm3)
float
sink
stays in the middle of the cup
The density of a substance, whose mass is 35gm and its volume is 25cm3 =.........................
1.4
100
1
2
Density is ......................
amount of space occupied by object
the mass per unit volume.
the weight per unit volume
the volume per unit mass
We can differ between salt and sugar by.....................property
colour
taste
smell
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
densitymass
massdensity
mass x density
no correct answer
