AP 6th Class Science Bits Chapter 5 Materials: Separating Methods with Answers

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AP State Syllabus 6th Class Science Bits 5th Lesson Materials: Separating Methods with Answers

Choose the correct answer.

Question 1.
Objects that would break
A) Steel glass
B) Steel plate
C) Glass cup
D) Wooden spoon
Answer:
C) Glass cup

Question 2.
Among the following transparent substance is
A) Glass
B) Plastic
C) Metal
D) Wood
Answer:
A) Glass

Question 3.
Oily paper is
A) Transparent
B) Opaque
C) Luminous
D) Translucent
Answer:
D) Translucent

Question 4.
Water has a density of
A) 0.01 g/ml
B) 1 g/ml
C) 10 g/ml
D) 100 g/ml
Answer:
B) 1 g/ml

Question 5.
Among the following opaque substance is
A) Oily paper
B) Glass
C) Cardboard
D) Tracing paper
Answer:
C) Cardboard

Question 6.
Ice is the solid form of
A) Milk
B) Water
C) Petrol
D) Diesel
Answer:
B) Water

Question 7.
This floats on water
A) Sawdust
B) Salt
C) Sugar
D) Haldi
Answer:
A) Sawdust

Question 8.
When water is heated this is produced
A) Ice
B) Hot water
C) Cool water
D) Water vapour
Answer:
D) Water vapour

Question 9.
These substances allow light
A) Opaque
B) Luminous
C) Transparent
D) None
Answer:
C) Transparent

Question 10.
These can’t change shape
A) Liquids
B) Solids
C) Gases
D) All of three
Answer:
B) Solids

Question 11.
These don‘t have a shape
A) Solids
B) Gases
C) Both A & B
D) None
Answer:
B) Gases

Question 12.
Tables are made from
A) wood
B) plastic
C) steel
D) clay
Answer:
A) wood

Question 13.
Glass is a
A) opaque
B) transparent
C) translucent
D) None of these
Answer:
B) transparent

Question 14.
Which of the following is not soluble in water?
A) Chalk powder
B) Salt
C) Sugar
D) Milk
Answer:
A) Chalk powder

Question 15.
Which object shines?
A) stone
B) plastic
C) glass
D) cotton
Answer:
C) glass

Question 16.
Sugar is ……………. substance.
A) liquid
B) solid
C) gases
D) all of these
Answer:
B) solid

Question 17.
Iron nail sinks in water but ships on the water.
A) floats
B) sinks
C) both A & B
D) none
Answer:
A) floats

Question 18.
Which of the following is the correct answer?
1. Gold A) Opaque
2. Wood B) Metal
3. Glass C) Transparent
A) 1 – B, 2 – A, 3 – C
B) 1 – B, 2 – C, 3 – A
C) 1 – A, 2 – B, 3 – C
D) 1 – C, 2 – B, 3 – A
Answer:
A) 1 – B, 2 – A, 3 – C

Question 19.
The window is made with
A) wood
B) glass
C) both A & B
D) none
Answer:
C) both A & B

Question 20.
Bags are made with
A) plastic
B) Leather
C) stone
D) clay
Answer:
B) Leather

Question 21.
Which of the following is the correct match?
1. Pot A) Paper
2. Book B) Leather
3. Shoes C) Clay
A) 1 – C, 2 – B, 3 – A
B) 1 – B, 2 – C, 3 – A
C) 1 – A, 2 – B, 3 – C
D) 1 – C, 2 – A, 3 – B
Answer:
D) 1 – C, 2 – A, 3 – B

Question 22.
Which of the following is the correct match?
1. Soluble in water A) Cork
2. Floats on water B) Salt
3. Smoke C) Made of wax
4. Candle D) Gas
A) 1 – B, 2 – A, 3 – D, 4 – C
B) 1 – B, 2 – A, 3 – C, 4 – D
C) 1 – A, 2 – B, 3 – C, 4 – D
D) 1 – A, 2 – C, 3 – D, 4 – B
Answer:
A) 1 – B, 2 – A, 3 – D, 4 – C

Question 23.
When white light shines on an object it may be
A) reflected
B) absorbed
C) both A & B
D) none
Answer:
C) both A & B

Question 24.
Which object was made with only one material?
A) Knife
B) Bicycle
C) Door
D) Pot
Answer:
D) Pot

Question 25.
Find the correct set of transparent substances.
A) Oil-paper and stone
B) Glass, polythene cover
C) Stone, tracing paper
D) Water, mirror.
Answer:
B) Glass, polythene cover

Question 26.
Srinu wants to use a mirror in his house for light at the same time the things should not be seen from outside. Which type of mirrors is to be used?
A) Transparent
B) Opaque
C) Translucent
D) None of the above
Answer:
B) Opaque

Question 27.
Identify the floating objects in water,
i) Kerosene
ii) Oil
iii) Ghee
iv) Petrol
A) i, ii
B) ii, iii
C) i, iii, iv
D) i, ii, iii, iv
Answer:
D) i, ii, iii, iv

Question 28.
The opaque object of the following.
A) 40w bulb
B) Spectacle
C) Mirror
D) Glass beaker
Answer:
C) Mirror

Question 29.
X: Oil mixes with water V: Chalk dissolves in water
A) Both X and Y are correct
B) Both X and Y are incorrect
C) X correct, Y incorrect
D) X incorrect, Y correct
Answer:
B) Both X and Y are incorrect

Question 30.
The purpose of sorting material into groups is
A) convenience
B) to study their properties
C) both A and B
D) inconvenience
Answer:
C) both A and B

Question 31.
Which one of the following is insoluble in water?
A) Alcohol
B) Sodium chloride
C) Sugar
D) Coconut oil
Answer:
D) Coconut oil

Question 32.
Which is a set of transparent materials?
A) Water and air
B) Water and glass
C) Glass and air
D) All of these
Answer:
D) All of these

Question 33.
Pick out the odd one in the following.
A) Sand settles down in the water
B) Sugar dissolves in water
C) Oil floats on water
D) Sugar does not dissolve in water
Answer:
D) Sugar does not dissolve in water

Question 34.
Which of the following does not float on water?
A) Paper
B) Stone
C) Coconut oil
D) Feather
Answer:
B) Stone

Question 35.
Match the following.
i) Wax a) Translucent
ii) Iron sheet b) Floats on water
iii) Oily paper sheet c) Opaque
A) i – a, ii – b, iii – c
B) i – b, ii – c, iii – a
C) i – c., ii – a, iii – b
D) i – b, ii – a, iii – c
Answer:
B) i – b, ii – c, iii – a

Question 36.
Pick out the odd one following.
A) Air
B) Wood
C) Iron
D) Gold
Answer:
A) Air

Question 37.
Which of the following is a soft material?
A) Diamond
B) Glass
C) Iron
D) Chalk
Answer:
D) Chalk

Question 38.
Oxygen is an example of
A) liquid
B) gas
C) solid
D) emulsion
Answer:
B) gas

Question 39.
Materials exist in states.
A) 1
B) 2
C) 3
D) 4
Answer:
C) 3

Question 40.
An ice cube floats on water, because
A) Density of ice is < Density of water
B) Density of ice is > Density of water
C) Density of ice is = Density of water
D) None of these
Answer:
A) Density of ice is < Density of water

Question 41.
The white smoke from a candle is
A) Solid
B) Liquid
C) Gas
D) Both A and B
Answer:
C) Gas

Question 42.
Match the following.
i) Milk a) Transparent
ii) Water vapour b) Liquid
iii) Glass jar c) Gas
A) i – a, ii – b, iii – c
B) i – b, ii – c, iii – a
C) i – c, ii – a, iii – b
D) i – b, ii – a, iii – c
Answer:
B) i – b, ii – c, iii – a

Question 43.
Match the following.
1) Soluble in water a) Iron nail
2) Insoluble in water b) Cork
3) Floats on water c) Salt
A) 1 – c, 2 – a, 3 – b
B) 1 – a, 2 – b, 3 – c
C) 1 – b, 2 – c, 3 – a
D) 1 – c, 2 – b, 3 – a
Answer:
A) 1 – c, 2 – a, 3 – b

Question 44.
Door: wood:: clay.
A) Shoes
B) Knife
C) Pot
D) Mirror
Answer:
C) Pot

Question 45.
Vinegar ……………….. in water.
A) dissolves
B) does not dissolve
C) floats
D) both A & B
Answer:
A) dissolves

Question 46.
Classification is essential for
A) sorting of objects
B) identification of objects
C) locating things
D) all the above
Answer:
D) all the above

Question 47.
Mercury is ……………….. at room temperature.
A) Solid
B) Liquid
C) Gas
D) Both A & B
Answer:
B) Liquid

Question 48.
The grouping of various objects can be done on the basis of
A) size
B) solubility in water
C) transparency
D) all the above
Answer:
D) all the above

Question 49.
Milk: Miscible in water:: …………………. : Immiscible in water
A) Soft drink
B) Glycerine
C) Petrol
D) Lemon juice
Answer:
C) Petrol

Question 50.
Which one of the following is insoluble in water?
A) Oxygen
B) Sugar
C) Salt
D) Sawdust
Answer:
D) Sawdust

Question 51.
As you cannot see through objects made from materials, such materials are called
A) opaque
B) transparent
C) translucent
D) None of these
Answer:
A) opaque

Question 52.
A material that does not dissolve completely into water is called
A) soluble
B) insoluble
C) opaque
D) translucent
Answer:
B) insoluble

Question 53.
Butter paper is
A) oily
B) opaque
C) transparent
D) translucent
Answer:
D) translucent

Question 54.
Find the odd one.
A) Sand
B) sugar
C) salt
D) water
Answer:
A) Sand

Question 55.
Which one of the following will float on water?
A) Stone
B) Steel
C) Dry leaves
D) Iron nails
Answer:
C) Dry leaves

Question 56.
The solid form of carbon dioxide is
A) Ice
B) Dry Ice
C) Wet Ice
D) Gas
Answer:
B) Dry Ice

Question 57.
In the Middle Ages, salt is referred to as
A) Platinum
B) Gold
C) Weight gold
D) Silver
Answer:
C) Weight gold

Question 58.
A solid directly changing into vapour
A) Solidification
B) Cooling
C) Sublimation
D) Crystallization
Answer:
C) Sublimation

Question 59.
A substance is obtained by mixing two or more pure substances
A) filtrate
B) residue
C) mixture
D) component
Answer:
C) mixture

Question 60.
A clear liquid obtained after filtration
A) filtrate
B) residue
C) mixture
D) component
Answer:
A) filtrate

Question 61.
A method for removing the husk from the grain
A) handpicking
B) winnowing
C) sedimentation
D) decantation
Answer:
B) winnowing

Question 62.
Removing insoluble Impurities from muddy water by allowing it to settle
A) Sublimation
B) Filtration
C) Winnowing
D) Decantation
Answer:
D) Decantation

Question 63.
From saltwater, salt can be obtained by
A) crystallization
B) distillation
C) sublimation
D) decantation
Answer:
A) crystallization

Question 64.
Doctors mix injection powder with
A) water
B) saline
C) distilled water
D) mineral water
Answer:
C) distilled water

Question 65.
Among the following pure water is
A) seawater
B) river water
C) pond water
D) distilled water
Answer:
D) distilled water

Question 66.
Among the following, this dissolves in water
A) sawdust
B) Haldi
C) iron nails
D) sand
Answer:
B) Haldi

Question 67.
For separating larger and smaller substances in a mixture we use
A) distillation
B) decantation
C) sedimentation
D) sieving
Answer:
D) sieving

Question 68.
An insoluble substance in a liquid can be separated by
A) handpicking
B) sieving
C) sedimentation
D) chromatography
Answer:
C) sedimentation

Question 69.
If a mixture has light and heavy substances we use
A) handpicking
B) winnowing
C) decantation
D) uilteration
Answer:
B) winnowing

Question 70.
This is free from impurities
A) distilled water
B) seawater
C) well water
D) river water
Answer:
A) distilled water

Question 71.
Salt and camphor mixture can be separated by
A) filtration
B) distillation
C) sublimation
D) sedimentation
Answer:
C) sublimation

Question 72.
Tea leaves are separated from tea by
A) sieve
B) strainer
C) sedimentation
D) none
Answer:
B) strainer

Question 73.
The mud particles which settle down at the bottom of gas are called
A) filtrate
B) mud
C) sediment
D) sieve
Answer:
C) sediment

Question 74.
What property helps In separating husk from grains?
A) winnowing
B) handpicking
C) sieving
D) filtration
Answer:
A) winnowing

Question 75.
The stones are separated from pulses and rice by
A) sieving
B) winnowing
C) filtration
D) handpicking
Answer:
D) handpicking

Question 76.
The mixture of common salt and camphor is separated by
A) sublimation
B) evaporation
C) filtration
D) sedimentation
Answer:
A) sublimation

Question 77.
The compounds of solution are separated by
A) decantation
B) filtration
C) evaporation
D) sedimentation
Answer:
C) evaporation

Question 78.
The process used for separating grains from the stalk is called
A) sieving
B) decanting
C) winnowing
D) threshing
Answer:
D) threshing

Question 79.
Pebbles and stones are removed from sand by
A) sieving
B) winnowing
C) decanting
D) threshing
Answer:
A) sieving

Question 80.
Transferring the clear liquid into another container using a glass rod is called
A) filtration
B) decantation
C) condensation
D) sedimentation
Answer:
B) decantat ion

Question 81.
Hand-picking method is effective in
A) solid mixture
B) liquid mixture
C) gaseous mixture
D) None of these
Answer:
A) solid mixture

Question 82.
Which of the following method was used to separate two miscible liquids?
A) sieving
B) winnowing
C) separating funnel
D) sublimation
Answer:
C) separating funnel

Question 83.
The process of setting down of particles of a solid in a liquid is known as
A) precipitation
B) decantation
C) sublimation
D) sedimentation
Answer:
D) sedimentation

Question 84.
Air is a ……………
A) compound
B) mixture
C) pure substance
D) None of these
Answer:
B) mixture

Question 85.
The solubility of water ……………… with an increase in water.
A) increases
B) decreases
C) remains the same
D) sometimes increases and sometimes decreases
Answer:
A) increases

Question 86.
“Combine” is used In which of the following?
A) winnowing
B) sieving
C) filtration
D) threshing
Answer:
D) threshing

Question 87.
The spinner in the washing machine dries clothes works on the principle of
A) filtration
B) centrifugation
C) sedimentation
D) evaporation
Answer:
B) centrifugation

Question 88.
The method of separating substances based on size, colour and shape is called
A) sieving
B) handpicking
C) threshing
D) None of these
Answer:
A) sieving

Question 89.
Sand from water is separated by
A) condensation
B) filtration
C) sedimentation & decantation
D) sublimation
Answer:
B) filtration

Question 90.
Butter is separated from milk by
A) filtration
B) sedimentation
C) churning
D) decantation
Answer:
C) churning

Question 91.
A ………………. is a substance that makes you Ill if you don’t eat it.
A vitamin
B) ice
C) bread
D) Rice
Answer:
A vitamin

Question 92.
When few plants are infected …………….. is an excellent method of controlling pests.
A) filtration
B) sieving
C) winnowing
D) handpicking
Answer:
D) handpicking

Question 93.
An example of sublimation is
A) camphor
B) water
C) salt
D) sugar
Answer:
A) camphor

Question 94.
India’s largest saltwater lake is
A) Pulicot
B) Chilaka
C) Kolleru
D) All the above
Answer:
B) Chilaka

Question 95.
Distilled water is produced by …………………. method.
A) sublimation
B) crystallization
C) filtration
D) solidification
Answer:
C) filtration

Question 96.
…………… separates single colour to mixing colour.
A) Sublimation
B) Chromatography
C) Wirmowing
D) Filtrate
Answer:
B) Chromatography

Question 97.
Which of the following is the correct match?
1. Sublimation A) Stone and grain
2. Sieve B) Saltwater
3. Dead sea C) Iodine
4. Hand-picking D) Filter paper
A) 1 – A, 2 – B, 3 – C, 4 – D
B) 1 – B, 2 – A, 3 – D, 4 – C
C) 1 – C, 2 – D, 3 – B, 4 – A
D) 1 – C, 2 – D, 3 – B, 4 – A
Answer:
D) 1 – C, 2 – D, 3 – B, 4 – A

Question 98.
Sita bought some vegetables such as lady’s finger, green chillies, brinjals and potatoes, all mixed in a bag.
Which of the following method of separation would be most appropriate for her to separate them?
A) Sieving
B) Threshing
C) Handpicking
D) Winnowing
Answer:
C) Handpicking

Question 99.
Ramu’s grandmother is suffering from fever. His doctor advised him to take “lassi” with less fat content.
Which of the following methods would be most appropriate for Ramu to prepare it?
A) Winnowing
B) Churning
C) Filtration
D) Decantation
Answer:
B) Churning

Question 100.
Which of the following mixtures would you be able to separate using the method of filtration?
A) Salt in water
B) Oil in water
C) Sugar in milk
D) Cornflakes in milk
Answer:
D) Cornflakes in milk

Question 101.
Which of these can be separated by the method of winnowing?
i) beans and chick peas.
ii) pulses and rice
iii) rice flakes and corn
iv) potato wafers and biscuits
A) i & ii
B) ii & iii
C) i & iii
D) iii & iv
Answer:
D) iii & iv

Question 102.
While preparing chapatis, Gopi found that the flour to be used was mixed with wheat grains.
Which of the following is the most suitable method to separate the grains from the flour?
A) Filtration
B) Sieving
C) Threshing
D) Winnowing
Answer:
B) Sieving

Question 103.
You might have observed the preparation of ghee from butter and cream at home. Which method can be used to separate ghee from the residue?
i) Evaporation
ii) Decantation
iii) Filtration
iv) Churning
A) i & ii
B) ii & iii
C) ii & iv
D) iv only
Answer:
D) iv only

Question 104.
The method that is used to obtain pure salt from impure salt
A) Crystallization
B) Evaporation
C) Condensation
D) Decantation
Answer:
A) Crystallization

Question 105.
Rainwater is a kind of
A) Distilled water
B) Saline water
C) Saturated water
D) Carbonated water
Answer:
A) Distilled water

Question 106.
Separating the insoluble suspended solids of various sizes from a liquid is called
A) Evaporation
B) Condensation
C) Filtration
D) Crystallization
Answer:
C) Filtration

Question 107.
The principle behind winnowing is
A) Difference in shapes of components
B) Difference in densities of components
C) Difference in colours of components
D) Difference in the appearance of components
Answer:
B) Difference in densities of components

Question 108.
Paneer is separated from curdled milk by
A) Filtration
B) Evaporation
C) Sedimentation
D) Condensation
Answer:
A) Filtration

Question 109.
Separation of Kerosene oil and water is done by
A) Crystallization
B) Condensation
C) Decantation
D) Filtration
Answer:
C) Decantation

Question 110.
The rate of sedimentation is increased by adding ……………. to the water.
A) Salt
B) Sugar
C) Soap
D) Alum
Answer:
D) Alum

Question 111.
Tiny pieces of stones are usually separated from pulses before cooking by the method
A) Handpicking
B) Sieving
C) Winnowing
D) Threshing
Answer:
A) Handpicking

Question 112.
Which of the following method is involved in the picture?
AP 6th Class Science Bits Chapter 5 Materials Separating Methods with Answers 1
A) Sublimation
B) Chromatography
C) Crystallization
D) Winnowing
Answer:
B) Chromatography

Question 113.
Camphor: Sublimation:: Cream from milk: …………………
A) Winnowing
B) Evaporation
C) Filteration
D) Centrifugation
Answer:
D) Centrifugation

Question 114.
Observe the following and identify what “P” study for
AP 6th Class Science Bits Chapter 5 Materials Separating Methods with Answers 2
A) Handpicking
B) Winnowing
C) Sublimation
D) Sieving
Answer:
A) Handpicking

Question 115.
A student labelled the parts as shown in the picture. Choose the correct match.
AP 6th Class Science Bits Chapter 5 Materials Separating Methods with Answers 3
A) a -1, b – 2, c – 3
B) a – 2, b – 3, c -1
C) a – 3, b – 1, c – 2
D) a – 2, b – 1, c – 3
Answer:
D) a – 2, b – 1, c – 3

Question 116.
The property which forms the basis of sieving.
A) difference in weight
B) difference in size.
C) difference in colour
D) difference in shape
Answer:
B) difference in size.

Question 117.
P: A mixture of milk and water can be separated by filtration.
Q: Separation of sugar from tea can be done with nitration.
A) Both P and Q are correct
B) Both P and Q are incorrect
C) P is correct and Q incorrect
D) P is incorrect and Q is correct
Answer:
B) Both P and Q are incorrect

Question 118.
Wrongly labelled part in the above diagram is
AP 6th Class Science Bits Chapter 5 Materials Separating Methods with Answers 4
A) Cotton
B) Test tube
C) China dish
D) Stand
Answer:
B) Test tube

Question 119.
The apparatus which is not required in the experiment of distilling water is
A) Cork
B) Conical flask
C) Plastic tube
D) Candle
Answer:
D) Candle

Fill in the blanks.

1. The universal solvent is …………………
Answer:
water

2. Impurities from water can be removed by ………………..
Answer:
distillation

3. The process involved in preparation of salt is ………………..
Answer:
Crystallization

4. …………….. method is used to separate larger and smaller substances.
Answer:
Sieving

5. An insoluble substances in a liquid can be separated by ……………….
Answer:
Sedimentation and Decantation

6. We can separate colours from a mixture of colours by ……………….
Answer:
Chromatography

7. The mixture of powdered salt and camphor can be separated by ………………..
Answer:
Sublimation

8. We can separate salt from salt water by ………………..
Answer:
Crystallization

9. Mud from mud water can be separated by ………………..
Answer:
Filtration

10. Sand from gravel is separated by ………………
Answer:
Sieving

11. Separation of husk from flour can be done by ……………….
Answer:
Sieving

12. Vinegar and oil are separated by ……………….
Answer:
Decantation

13. Kerosene and water are separated by ……………….
Answer:
Decantation

14. Tea leaves falling to the bottom in a tea cup is an example for ……………….
Answer:
Sedimentation

15. Rotten fruits are separated from fresh fruits by the method of ……………….
Answer:
hand picking

16. Farmers use ………………. method to separate grains from husk.
Answer:
Winnowing

17. Stones from rice are separated by ……………….
Answer:
Hand picking

18. Cleaning of rice and pulses involved ……………….
Answer:
Sedimentation and Decantation

19. Example for Natural mixture is ……………….
Answer:
Soil

20. Examples for Artificial mixture is ……………….
Answer:
Lemon juice

21. Door is made from ………………. materials.
Answer:
Wood, metal

22. Chairs are made from ……………….
Answer:
Iron, wood, plastic

23. Potato ………………. in water.
Answer:
Sinks

24. Smoke is in ………………. state.
Answer:
Gaseous

25. Table salt is in ………………. state.
Answer:
Solid

26. Kerosene is in ………………. state.
Answer:
Liquid

Match the following:

Question 1.
List-A List-B
1) Grains and Husk ( ) A) Crystallization
2) Kerosene and water ( ) B) Filtration
3) Mud from mud water ( ) C) Decantation
4) Salt from saltwater ( ) D) Winnowing
Answer:
1) D
2) C
3) B
4) A

Question 2.
List-A List-B
1) Stones from Rice ( ) A) Chromatogram
2) Impurities from water ( ) B) Sieving
3) Colours from a mixture ( ) C) Distillation
4) Flour from wheat ( ) D) Hand picking
Answer:
1) D
2) C
3) A
4) B

Question 3.
List-A List-B
1) Universal solvent ( ) A) Wood
2) Gas ( ) B) Smoke
3) Solid ( ) C) Sugar
4) Door ( ) D) Water
Answer:
1) D
2) B
3) C
4) A

Question 4.
List-A List-B
1) Iron Nail ( ) A) Lemon juice
2) Iron boat ( ) B) Soil
3) Natural mixture ( ) C) Sinks
4) Man made mixture ( ) D) Floats
Answer:
1) C
2) D
3) B
4) A

Question 5.
List-A List-B
1) Sublimatiop ( ) A) Mud water
2) Filtration ( ) B) Camphor
3) Strainer ( ) C) Hand picking
4) Mangoes from oranges ( ) D) Tea leaves
Answer:
1) B
2) A
3) D
4) C