Class 6 Separation Of Substances CBSE Questions & Answers

Class 6 · Separation Of Substances

This is Science Class 6 Separation of Substances CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
In electric water filters materials used for filtering solid impurities from water is
  • A
    Ceramic
  • B
    Cellulose
  • C
    Resins
    Correct
  • D
    Plastic
2
The by which liquid gets converted into its vapour is called
  • A
    Sedimentation
  • B
    Condensation
  • C
    Filtration
  • D
    Evaporation
    Correct
3
In electric water filters UV rays is used to
  • A
    Filter unwanted impurities
  • B
    Kill harmful germs and bacteria
    Correct
  • C
    Killing virus only
  • D
    Killing useful bacteria
4
In dairies, cream is separated from milk by the process of
  • A
    Sedimentation
  • B
    Decantation
  • C
    Filtration
  • D
    Centrifugation
    Correct
5
The particles of mixture can be separated by
  • A
    Physical process
    Correct
  • B
    Chemical process
  • C
    Sieving process
  • D
    Churning process
6
Mixture and blender are used for the process of
  • A
    Filtration
  • B
    Threshing
  • C
    Churning
    Correct
  • D
    Loading
7
A pure substance is made up of
  • A
    Only one type of particles
    Correct
  • B
    More than two types of particles
  • C
    Two types of particles
  • D
    Two types of mixture
8
The process of mixing food materials with cheap unwanted thing is called
  • A
    Decantation
  • B
    Filtration
  • C
    Adulteration
    Correct
  • D
    Sedimentation
9
The machine used for harvesting and threshing both is called
  • A
    Combine harvester
    Correct
  • B
    Remover
  • C
    Penetration
  • D
    Thresher
10
Winnowing separates the
  • A
    Milk from cream
  • B
    Husk from seed
    Correct
  • C
    Stone from rice
  • D
    Salt from water
11
Sieving is possible only when particles of mixture are of
  • A
    Small size
  • B
    Large size
  • C
    Same size
  • D
    Different size
    Correct
12
Separating funnel is used to
  • A
    Separate two immiscible liquids
    Correct
  • B
    Separating two gases
  • C
    Separating two mixture
  • D
    Separating two miscible liquids
13
Filtration is used in
  • A
    Killing microorganisms
  • B
    Separating tea leaves from tea
    Correct
  • C
    Separating cream from milk
  • D
    Separating salt from water
14
Mixture of saw dust and water can be separated by
  • A
    Sedimentation
  • B
    Decantation
  • C
    Centrifugation
  • D
    Filtration
    Correct
15
We cook the food particles to
  • A
    Kill the virus in it
  • B
    Attracts the children
  • C
    Make it more attractive
  • D
    Make it hygienic and palatable
    Correct