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Matter and its characteristics

Total questions: 20

Worksheet time: 34mins

Name
Class
Date
1.

_____________ is the measure of mass in unit volume.

a)

weight

b)

density

c)

volume

2.

we can distinguish between ammonia and perfume by their different ___________

a)

color

b)

smell

c)

taste

d)

shape

3.

Measuring unit of density is

a)

cm3g\frac{cm^3}{g}

b)

kg

c)

gcm3\frac{g}{cm^3}

d)

gcm\frac{g}{cm}

4.

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

a)

sink

b)

float

5.

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

a)

float

b)

sink

c)

rise

6.

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

a)

Oil drops , iron nail

b)

iron nail , wood

c)

Oil drops , wood

7.

The taste property is the distinguishing factor between

a)

oxygen and nitrogen

b)

milk and honey

c)

wood and plastic

d)

silver and gold

8.

The volume of the liquid is calculated from the relation

a)

massdensity\frac{mass}{density}

b)

densitymass\frac{density}{mass}

c)

mass x density

d)

no correct answer

9.

substances of low melting point are

a)

ice , wax , iron

b)

butter , ice , silver

c)

butter , ice , wax

d)

butter , wax , copper

10.

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

a)

liquid to solid

b)

solid to liquid

c)

liquid to gas

11.

The temperature at which substance changes from _________ is boiling point.

a)

liquid state to gas state

b)

gas state to liquid state

c)

solid state to gas state

12.

Substance that does not allow electricity to flow is

a)

water

b)

salt solution

c)

copper

d)

wood

13.

Iron, aluminum, copper are examples of

a)

inactive metal

b)

less active metals

c)

very active metals

14.

The density of helium is ____________ that of air

a)

more than

b)

less than

c)

equals to

15.

Separation of petroleum components depend on the difference in their _______________

a)

quantity

b)

melting point

c)

boiling point

16.

Electric wires are covered with plastic because

a)

Plastic is cheap

b)

Plastic is a heat insulator

c)

Plastic is an electric insulator

17.

An alloy of _________ is used in making jewels.

a)

copper

b)

nickle

c)

chrome

18.

The property of electric conduction is a distinguishing factor between

a)

wood and plastic

b)

iron and wood

c)

iron and copper

19.

The density of water is

a)

1 gcm1\ \frac{g}{cm}

b)

1 gcm21\ \frac{g}{cm^2}

c)

1 gcm31\ \frac{g}{cm^3}

20.

A piece of wood has a density of 0.4 g/cm3 and a volume of 20 cm3. Find its mass.

a)

0.02 g

b)

8 kg

c)

8 g

d)

50 g

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