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class 6th chemistry

Total questions: 100

Worksheet time: 54mins

Name
Class
Date
1.

Which of the following materials is not lustrous?

a)

Gold

b)

Silver

c)

Wood

d)

Diamond

2.

Which type of the following materials is used for making the front glass (wind screen) of a car?

a)

Transparent

b)

Translucent

c)

Opaque

d)

None of the above

3.

Materials that cannot be compressed easily are called __________

a)

Soft

b)

Rough

c)

Scaly

d)

Hard

4.

Which of the following statements is not true?

a)

Materials are grouped for convenience.

b)

Materials are grouped to study their properties.

c)

Materials are grouped for fun.

d)

Materials are grouped according to their uses.

5.

Which of the foll has dull appearance ?

a)

aluminium foil

b)

brick

c)

steel bucket

d)

steel chair

6.

The teacher of a class sorted out certain objects into two groups. On what basis has the teacher sorted them?

a)

whether the objects are circular or not.

b)

whether the objects give light or not.

c)

whether the objects are used for measuring or not

d)

whether the objects are useful to us or not.

7.
find the odd one out on the basis of there material
a)
chair
b)
table
c)
football
d)
door
8.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
9.

Shown here is a tent used by a mountain climber.

What are the qualities such a tent MUST have?

1. very light to carry

2. has nice colours

3. easy to wash

4. folds into a small size

a)

Only 1

b)

Only 1 and 2

c)

Only 1 and 4

d)

all - 1,2,3 and 4

10.
What is this
a)
opaque
b)
transparent
c)
translucent
11.

Which one of the following is a transparent material?

a)

Rock

b)

Wood

c)

Glass

d)

Paper

12.

Which of the following does not float on water

a)

Feather

b)

Coconut oil

c)

Paper

d)

Stone

13.

Which of the following does not float on water

a)

Feather

b)

Coconut oil

c)

Paper

d)

Stone

14.

The glass fitted in the front windshield of car is

a)

Translucent

b)

Opaque

c)

Transparent

d)

Confused

15.

Which of the following substance is translucent

a)

Oily paper

b)

Plain paper

c)

White paper

d)

Coloured paper

16.

Which of the following has lustre

a)

A plastic toy

b)

A cotton Shirt

c)

A stainless Steel Spoon

d)

A newspaper

17.

Which of the following has lustre

a)

A plastic toy

b)

A cotton Shirt

c)

A stainless Steel Spoon

d)

A newspaper

18.

Substances through which we cannot see at all are called

a)

Transparent

b)

Translucent

c)

Opaque

d)

Confusing

19.

Grouping things with similar properties together is called

a)

Variation

b)

Specification

c)

Nomenclature

d)

Classification

20.

Vinegar and Lemon juice are--------- in water

a)

Miscible

b)

Immiscible

c)

Both the options

d)

Confusing

21.

Vinegar and Lemon juice are--------- in water

a)

Miscible

b)

Immiscible

c)

Both the options

d)

Confusing

22.

Which of the following materials is hard, opaque and shines?

a)

Rubber

b)

Plastic

c)

Wood

d)

Tin

23.

A mirror is

a)

opaque.

b)

transparent

c)

translucent.

d)

flexible

24.

A vendor sells white powdered salt mixed with white powdered stone. Which of these properties will help you detect his malpractice?

a)

Ductility

b)

Opacity

c)

Density

d)

Solubility

25.

Kerosene does not dissolve in water. What are they called?

a)

Immiscible liquids

b)

Solute and solvent

c)

Solvent and solution

d)

Miscible liquids

26.

If opacity is the distinct feature of wood, then what is glass known for in the same way?

a)

Its transparency

b)

Its magnetic nature

c)

Its conductivity to heat

d)

Its lustrous nature

27.

which is the hardest known substance on Earth:-

a)

diamond

b)

gold

c)

all of the above

d)

none of the above

28.

the substances that dissolve in water are called

a)

soluble substances

b)

immiscible substances

c)

sugar

d)

water

29.

which is form of matter:-

a)

washing powder

b)

solid

c)

sugar

d)

plasma

30.

choose the symbol for:- oxygen

a)

O2O_2

b)

H2OH_2O

c)

atom

d)

water

31.

choose the symbol for:- sodium

a)

Na

b)

C1

c)

O

d)

sodium

32.

choose the following which are soft:-

a)

satin fabric

b)

bark of tree

c)

cushion

d)

none of the above

33.

choose the following that are hard:-

a)

bark of tree

b)

potter's clay

c)

lampshade

d)

stone

34.

materials that allow the transfer of heat and electricity are called:-

a)

conductors

b)

insulators

c)

water

d)

conduction

35.

materials that allow light to pass through it completely:-

a)

opaque

b)

transparent

c)

translucent

d)

all of the above

36.

Pliers used by electrician usually have a plastic cover on the handle.Why?

a)

A) Plastic is a bad conductor of heat

b)

B) Plastic is water resistant

c)

C) Plastic is bad conductor of electricity

d)

D) All of these

37.

Steel spoons used for cooking becomes hot easily.They are often given handle of

a)

A) Iron

b)

B) Copper

c)

C) Wood

d)

D) Aluminium

38.

Find the odd one out from the following.

a)

A) Iron Nail

b)

B) Utensils

c)

C) Magnet

d)

D) Glass beaker

39.

Which of the following is correct for the term ' lustre '?

a)

A) Hardness

b)

B) Softness

c)

C) Dull appearance

d)

D) Shiny appearance

40.

Which one of the following is insoluble in water?

a)

oxygen

b)

sugar

c)

milk

d)

sawdust

41.

Which one of the following will not attract magnet?

a)

Iron nail

b)

Steel rod

c)

Copper vessel

d)

A coin made of nickel

42.

All gases are poor conductors of heat.

a)

True

b)

False

43.

Find the odd one?

a)

Sugar

b)

Salt

c)

Glucose

d)

Sand

44.

Which of the following statements is not true?

a)

Materials are grouped for convenience.

b)

Materials are grouped to study their properties.

c)

Materials are grouped for fun.

d)

Materials are grouped according to their uses.

45.
find the odd one out on the basis of there material
a)
chair
b)
table
c)
football
d)
door
46.
which of the foll is insoluble in water
a)
sugar
b)
salt
c)
lemon juice
d)
sand
47.
What is this object made of?
a)
Tree
b)
Wood
c)
Plastic
d)
Stick
48.

Nisha was making a list of things that are obtained from plants and Amol was making a list of things that can dissolve in water. Which can be grouped in both the list?

a)

Oil

b)

Sugar

c)

Cotton

d)

Table salt

49.

Nina had a mixture of sand and salt. Which of the following properties of salt can she use to separate them?

a)

Salt is white in colour.

b)

Salt dissolves in water.

c)

Salt has a taste.

d)

Salt is a powder.

50.

Ramesh was applying paint on the wall during which some of the paint fell on his hands. Instead of using water, Ramesh used kerosene oil to wash his hands.

Which of the following options explains Ramesh's decision?

a)

Kerosene is softer than water.

b)

Kerosene smells better than water.

c)

Paints dissolve in kerosene and not in water.

d)

Kerosene is more easily available than water.

51.

The process of settling down of particles of a solid in a liquid is

a)

Sublimation

b)

Sedimentation

c)

Filtration

d)

Decantation

52.

The solubility ____________ with increase in temperature.

a)

doesn't change

b)

decreases

c)

increases

53.

While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

a)

Threshing

b)

Sieving

c)

Winnowing

d)

Filtration

54.

What is the process that is used to separate grains from stalks called?

a)

handpicking

b)

threshing

c)

sieving

d)

winnowing

55.

When is the solution saturated?

a)

No more salt can be dissolved in the amount of water we have taken

b)

Lot more salt can be added

c)

You have to add some sugar into the solution

d)

None of the above

56.
The diagram shows the apparatus for separating soil and water. What are the labelled parts?
a)
A = distillate, B = filtrate
b)
A = filtrate, B = residue
c)
A = residue, B = filtrate
d)
A = residue, B = distillate
57.

Which separation technique uses the apparatus shown in the diagram?

a)

filtration

b)

evaporation

c)

distillation

d)

chromatography

58.
What is the boiling point of water?
a)
0oC
b)
100oC
c)
80oC
d)
95oC
59.
Filtration can be used to separate...
a)
an insoluble solid from a solution
b)
a soluble solid from a solution
c)
a dissolved solid from a solution
60.

What separation technique does the picture show?

a)

Sieving

b)

filtering

c)

magnetic separation

d)

Distillation

61.

Sawdust is not soluble in water. If, accidentally some particles of sawdust drop into a glass of water. How would you separate them from water?

a)

Decanting

b)

Filtering

c)

Sieving

d)

Distillation

62.

You had these materials together but after performing a separation technique, you have these five groups. Which separation technique did you use?

a)

Distillation

b)

Decanting

c)

Paper chromatography

d)

Sieving

63.
Which technique is shown the diagram below
a)
seiving
b)
filtration
c)
decanting
d)
crystallization
64.
An example of a mixture is 
a)
Water and oil
b)
Cereal and Milk 
c)
Sand and water 
d)
All of the above
65.
The drops of water that appear on the outside of a glass of cold water on a warm day are an example of?
a)
sublimation
b)
condensation
c)
evaporation
66.
Iron and copper screws could be separated using a magnet because
a)
iron is magnetic, copper is not
b)
copper is magnetic, iron is not
c)
neither metal is magnetic
d)
copper screws are heavier than iron and fall off the magnet
67.
What is a mixture?
a)
A chemical combination of two or more different substances.
b)
A physical combination of two or more different substances.
c)
A chemically pure substance.
d)
A special type of solution
68.

What is the purpose of Filtration?

a)

Separating and insoluble solid from a liquid

b)

Separation of a mixture of 2 solids

c)

Separates heavier substances from a suspension

69.

Which of the following is essential to perform winnowing activity?

a)

Wind

b)

Water

c)

Magnet

d)

Filter paper

70.

What is a mixture?

a)

A chemical combination of two or more different substances.

b)

A physical combination of two or more different substances.

c)

A chemically pure substance.

d)

A special type of solution

71.

How are grain seeds removed from their stalks?

a)

Sieving

b)

Winnowing

c)

Threshing

d)

All of the above

72.

Lemonade is a special mixture called a

a)

substance

b)

solution

c)

plasma

d)

ingredient

73.

A fruit salad is a

a)

solution

b)

mixture

74.

Which of the following is essential to perform winnowing activity?

a)

Wind

b)

Water

c)

Magnet

d)

Filter paper

75.

While preparing chapatis, Nitya found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

a)

Threshing

b)

Sieving

c)

Winnowing

d)

Filtration

76.

Hand picking method is effective in

a)

solid mixture

b)

Liquid mixture

c)

Gaseous mixture

d)

None of these

77.

1. What is Winnowing ?

a)

A method used to separate the components of a mixture which are different sizes substances.

b)

The practice of separating undesirable solid substances and impurities from useful solids by hand.

c)

A method used to separate lighter components of a mixture from the heavier ones by wind or by blowing air.

78.

2. What means to cut the crop from the field?

a)

Threshing

b)

Winnowing

c)

Harvesting

d)

Sieving

79.

4.When do we mostly use handpicking?

a)

When we separate stones from rice

b)

When we separate water from sand

c)

When we separate sugar from water

d)

ALL of the above

80.

3.How do we separate grains from stalks?

a)

Sieving

b)

Threshing

c)

Winnowing

d)

Handpicking

81.

5.A solution in which no more solute can be added is called

a)

True Solution

b)

Unsaturated solution

c)

Saturated solution

d)

Mixture

82.
Water and alcohol are easily separated by distillation because of their
a)
 different melting points
b)
different colours
c)
different densities
d)
different boiling points
83.

Which can be separated using Magnetism?

a)
b)
c)
d)
84.

Which of the following methods of separation are we going to use to separate two liquids with different boiling points?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Decantation

85.

What household activity does sieving useful?

a)

baking cake

b)

cooking rice

c)

cleaning the toilet

d)

washing the dishes

86.

Which of the following can be separated by Distillation?

a)
b)
c)
d)
87.

Which mixture can be separated using Sieving?

a)
b)
c)
d)
88.

Which of the following mixtures can be separated by Evaporation?

a)
b)
c)
d)
89.

Butter is separated from milk by

a)

sedimentation

b)

filtration

c)

churning

d)

decantation

90.

Filtration is a method to separate the components of a

a)

solution

b)

mixture of a liquid and an insoluble substance

c)

pure substance

91.

Threshing is done by

a)

beating

b)

bullocks

c)

machines

d)

all of these

92.

Sand from water is separated by

a)

sieving

b)

evaporation

c)

filtration

d)

sedimentation and decantation

93.

The process of conversion of water vapours into liquid is called

a)

condensation

b)

decantation

c)

sedimentation

d)

evaporation

94.

The process of conversion of water into its vapours is called

a)

evaporation

b)

condensation

c)

transpiration

95.

Larger quantity of sugar can be dissolved in water by

a)

cooling

b)

heating

c)

icing

d)

None of the above

96.

Tick the correct option

a)

solute: water

solvent:sugar,salt, lemon juice

solution:lemonade

b)

solute: lemonade

solvent: water

solution: sugar,salt, lemon juice

c)

solute: sugar,salt, lemon juice

solvent: water

solution:lemonade

d)

All of the above

97.

Decantation can also be used to separate

a)

vinegar and water

b)

lemon juice and water

c)

salt and water

d)

oil and water

98.

In which of the following 1 tablespoon of sugar will dissolve quickly ?

a)

Warm water

b)

Icy water

c)

Cold water

d)

Hot water

99.

Identify the separation method

(a)  

100.

Which of the following gets dissolved in water ? (You can tick multiple options)

a)

salt

b)

stone

c)

sand

d)

oil

e)

sugar

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