Class 6 Science Chapter 9 MCQs – Methods of Separation in Everyday Life
Class 6 Science Chapter 9 MCQs for “Methods of Separation in Everyday Life” (based on NCERT textbook Curiosity ).
MCQ with Answers for Practice – Chapter 9 – Methods of Separation in Everyday Life
This includes All types of MCQs normally asked in school exams, tests, and NCERT exercises.
A. MCQs FROM STORY & INTRODUCTION
- Malli and Valli visited their Nani’s house, which was located in which state?
(i) Gujarat
(ii) Haryana
(iii) Rajasthan
(iv) Punjab
Answer: Haryana - What were the family members separating from grains in the courtyard?
(i) Sugar and tea leaves
(ii) Stones and husk
(iii) Dal and rice
(iv) Seeds and leaves
Answer: Stones and husk - What method were they using to remove stones from grains?
(i) Threshing
(ii) Filtration
(iii) Handpicking
(iv) Sieving
Answer: Handpicking - What was Malli removing from the pulao while eating?
(i) Green peas
(ii) Cashews
(iii) Black pepper
(iv) Raisins
Answer: Black pepper - In threshing, what is separated from stalks?
(i) Leaves
(ii) Grains
(iii) Peas
(iv) Pepper
Answer: Grains
B. MCQs FROM THRESHING & WINNOWING
- The process of beating the stalks to separate grains is called:
(i) Handpicking
(ii) Winnowing
(iii) Threshing
(iv) Filtration
Answer: Threshing - Which tool is traditionally used for winnowing?
(i) Magnet
(ii) Soop
(iii) Sieve
(iv) Net
Answer: Soop - Which component blows away in winnowing?
(i) Sand
(ii) Peanuts
(iii) Husk
(iv) Stones
Answer: Husk - Farmers stand on a raised platform during winnowing to:
(i) Sing folk songs
(ii) Get more sunlight
(iii) Use wind effectively
(iv) Make grains shine
Answer: Use wind effectively - Winnowing separates materials on the basis of:
(i) Shape
(ii) Colour
(iii) Solubility
(iv) Weight
Answer: Weight
C. MCQs FROM SIEVING
- Sieving is used to separate components of a mixture based on:
(i) Colour difference
(ii) Magnetic property
(iii) Size difference
(iv) Shape difference
Answer: Size difference - What remains on the sieve when sieving wheat flour?
(i) Fine flour
(ii) Water
(iii) Bran
(iv) Salt
Answer: Bran - Sieving will not work if:
(i) Holes are small
(ii) Holes are bigger than the particles
(iii) Mixture is dry
(iv) Mixture has water
Answer: Holes are bigger than the particles - Sieving is used at construction sites to separate:
(i) Mud and water
(ii) Oil and water
(iii) Pebbles and sand
(iv) Salt and water
Answer: Pebbles and sand - Which of the following is an example of a solid–solid mixture separated by sieving?
(i) Tea and water
(ii) Sand and pebbles
(iii) Oil and water
(iv) Sugar and milk
Answer: Sand and pebbles
D. MCQs FROM EVAPORATION
- Common salt is obtained from seawater by:
(i) Filtration
(ii) Churning
(iii) Evaporation
(iv) Sedimentation
Answer: Evaporation - Which substance is left behind after the evaporation of salt solution?
(i) Water
(ii) Pepper
(iii) Salt
(iv) Oil
Answer: Salt - White patches on dark clothes in summer are caused by:
(i) Dust
(ii) Salt
(iii) Sugar
(iv) Smoke
Answer: Salt - In Activity 9.2, the water disappears due to:
(i) Freezing
(ii) Melting
(iii) Evaporation
(iv) Filtration
Answer: Evaporation - Evaporation is the process where:
(i) Solid to liquid
(ii) Liquid to gas
(iii) Gas to liquid
(iv) Liquid to solid
Answer: Liquid to gas
E. MCQs FROM SEDIMENTATION & DECANTATION
- The process of heavier insoluble particles settling down is called:
(i) Sieving
(ii) Sedimentation
(iii) Evaporation
(iv) Filtration
Answer: Sedimentation - Pouring the clear liquid carefully after sedimentation is called:
(i) Churning
(ii) Filtering
(iii) Decantation
(iv) Sieving
Answer: Decantation - Which mixture can be separated by decantation?
(i) Salt solution
(ii) Oil and water
(iii) Sugar solution
(iv) Lemonade
Answer: Oil and water - In tea preparation, tea leaves settle at the bottom due to:
(i) Evaporation
(ii) Filtration
(iii) Sedimentation
(iv) Magnetic force
Answer: Sedimentation - Decantation cannot completely remove:
(i) Heavy particles
(ii) Light oil
(iii) Dissolved solids
(iv) Tea leaves
Answer: Tea leaves
F. MCQs FROM FILTRATION
- Filtration is used to separate:
(i) Solids dissolved in liquids
(ii) Insoluble solids from liquids
(iii) Two liquids
(iv) Two solids
Answer: Insoluble solids from liquids - Tea leaves are removed using:
(i) Magnet
(ii) Strainer
(iii) Spoon
(iv) Cloth
Answer: Strainer - Filter paper works because it has:
(i) Large holes
(ii) Very fine pores
(iii) Strong smell
(iv) Magnetism
Answer: Very fine pores - Which will remain on the filter paper during filtration?
(i) Sugar
(ii) Salt
(iii) Sand
(iv) Water
Answer: Sand - The liquid that passes through the filter paper is called:
(i) Residue
(ii) Filtrate
(iii) Solid
(iv) Impurity
Answer: Filtrate
G. MCQs FROM CHURNING
- Churning is used to separate:
(i) Husk from grain
(ii) Oil from water
(iii) Butter from curd
(iv) Tea leaves from tea
Answer: Butter from curd - Butter floats on buttermilk because it is:
(i) Heavier
(ii) Insoluble
(iii) Lighter
(iv) Coloured
Answer: Lighter - Which kitchen appliance helps in churning?
(i) Mixer grinder
(ii) Toaster
(iii) Induction
(iv) Electric kettle
Answer: Mixer grinder - The leftover liquid after churning is called:
(i) Milk
(ii) Butter
(iii) Salt solution
(iv) Buttermilk
Answer: Buttermilk - Churning is mainly used in:
(i) Construction
(ii) Cooking
(iii) Farming
(iv) Mining
Answer: Cooking
H. MCQs FROM MAGNETIC SEPARATION
- Magnetic separation works for substances that are:
(i) Dissolved
(ii) Magnetic
(iii) Light
(iv) Liquid
Answer: Magnetic - Which metal is magnetic?
(i) Copper
(ii) Gold
(iii) Iron
(iv) Aluminium
Answer: Iron - Magnetic separation was used to separate:
(i) Salt and water
(ii) Iron nails and sawdust
(iii) Rice and stones
(iv) Sand and water
Answer: Iron nails and sawdust - Recyclers use magnets to separate:
(i) Plastic
(ii) Glass
(iii) Iron
(iv) Wood
Answer: Iron - In magnetic separation, the magnetic substance gets:
(i) Blown away
(ii) Dissolved
(iii) Attracted
(iv) Filtered
Answer: Attracted
I. MCQs FROM ACTIVITIES & APPLYING CONCEPTS
- In Activity 9.1, blowing air separates peanuts from their skins due to:
(i) Colour difference
(ii) Weight difference
(iii) Shape difference
(iv) Smell
Answer: Weight difference - Which method helps separate puffed rice from chana dal?
(i) Filtration
(ii) Sedimentation
(iii) Winnowing
(iv) Churning
Answer: Winnowing - Tea bags work using the principle of:
(i) Sieving
(ii) Churning
(iii) Filtration
(iv) Evaporation
Answer: Filtration - Fishing nets work similar to:
(i) Filtration
(ii) Evaporation
(iii) Decantation
(iv) Sedimentation
Answer: Filtration - Which separation process does nasal hair resemble?
(i) Sedimentation
(ii) Filtration
(iii) Sieving
(iv) Winnowing
Answer: Filtration
J. MCQs FROM EXTRA QUESTIONS IN TEXTBOOK
- Handpicking is used when:
(i) The particles are very large
(ii) One component is in small quantity
(iii) There is only liquid
(iv) Components are dissolved
Answer: One component is in small quantity - Which of the following is NOT a method used to separate solid–solid mixtures?
(i) Sieving
(ii) Magnetic separation
(iii) Churning
(iv) Handpicking
Answer: Churning - A mixture of mustard oil and water can be separated using:
(i) Filtration
(ii) Sieving
(iii) Decantation
(iv) Magnet
Answer: Decantation - Chalk powder mixed with water can be separated by:
(i) Winnowing
(ii) Filtration
(iii) Threshing
(iv) Churning
Answer: Filtration - Mixtures are separated because:
(i) They are harmful
(ii) To remove unwanted materials
(iii) They cannot be stored
(iv) They disappear
Answer: To remove unwanted materials
K. HIGHER ORDER THINKING MCQs
- Which method is best for separating salt and water AND recovering both?
(i) Sieving
(ii) Evaporation
(iii) Filtration
(iv) Condensation and evaporation
Answer: Condensation and evaporation - Which method is used first to separate sawdust, potatoes and salt?
(i) Magnet
(ii) Sieving
(iii) Handpicking
(iv) Adding water
Answer: Handpicking (potatoes) - Which separation method involves a change in state of matter?
(i) Handpicking
(ii) Threshing
(iii) Evaporation
(iv) Sieving
Answer: Evaporation - Which mixture cannot be separated by filtration?
(i) Muddy water
(ii) Sand and water
(iii) Salt solution
(iv) Dal and water
Answer: Salt solution - Leela boiled water in the story to make it fit for drinking. This step removes:
(i) Dissolved salt
(ii) Germs
(iii) Mud
(iv) Oil
Answer: Germs
L. COMPETENCY-BASED / CASE-STUDY MCQs
- A farmer wants to separate stones and large pieces from a bag of wheat flour. Which method is suitable?
(i) Magnetic separation
(ii) Sieving
(iii) Churning
(iv) Decantation
Answer: Sieving - A shopkeeper wants to separate butter from curd. He should use:
(i) Filtration
(ii) Churning
(iii) Decantation
(iv) Sieving
Answer: Churning - A student dissolved salt in water and wants to obtain salt back quickly. He should use:
(i) Filtration
(ii) Sedimentation
(iii) Evaporation
(iv) Magnet
Answer: Evaporation - The best method to separate oil accidentally spilled on water surface is:
(i) Sedimentation
(ii) Churning
(iii) Decantation
(iv) Sieving
Answer: Decantation - In a mixture of iron nails, sand, and salt dissolved in water, the first step should be:
(i) Filtration
(ii) Magnet
(iii) Decantation
(iv) Evaporation
Answer: Magnet