6th Class Science Sorting Materials into Groups Question Bank

done Grouping Materials and their Separation Total Questions - 40

• question_answer1)
  To describe how much matter is there in something, we use the term:
  A)
  Weight               done clear
  B)
  Length done clear
  C)
  Mass                 done clear
  D)
  Volume done clear
  E)
  None of these done clear
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• question_answer2)
  Which of the following statements is correct?
  A)
  An object will float on the surface of water when its density is less than that of water in which it is placed. done clear
  B)
  An object will float when its density is more than that of water in which it is placed. done clear
  C)
  Both [a] and [b] are correct done clear
  D)
  Both [a] and [b] are incorrect done clear
  E)
  None of these done clear
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• question_answer3)
  Which among the following is an element?
  A)
  Water                            done clear
  B)
  Sugar done clear
  C)
  Hydrogen           done clear
  D)
  Washing soda done clear
  E)
  None of these done clear
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• question_answer4)
  Which of the following is not a matter?
  A)
  Water                done clear
  B)
  Heat done clear
  C)
  Air                    done clear
  D)
  Plant done clear
  E)
  None of these done clear
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• question_answer5)
  Which of the following is not soluble with water?
  A)
  Copper sulphate done clear
  B)
  Alcohol done clear
  C)
  Wax   done clear
  D)
  Potassium permanganate done clear
  E)
  None of these done clear
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• question_answer6)
  Which of the following statements is correct?
  A)
  Mass of an object varies at different places. done clear
  B)
  Weight of an object varies at different places. done clear
  C)
  Both mass and weight remains constant. done clear
  D)
  Both mass and weight varies at different places. done clear
  E)
  None of these done clear
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• question_answer7)
  Which of the following gases does not dissolve in water?
  A)
  Oxygen             done clear
  B)
  Carbon dioxide done clear
  C)
  Methane                        done clear
  D)
  Ammonia done clear
  E)
  None of these done clear
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• question_answer8)
  Hand picking method is effective in:
  A)
  Gaseous mixture             done clear
  B)
  Solid mixture done clear
  C)
  Liquid mixture    done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer9)
  Which of the following is essential for performing winnowing?
  A)
  Soil                   done clear
  B)
  Wind done clear
  C)
  Water                            done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer10)
  Density of an object refers to:
  A)
  Product of mass and volume.     done clear
  B)
  Addition of mass and volume. done clear
  C)
  Mass per unit temperature.       done clear
  D)
  Mass per unit volume. done clear
  E)
  None of these done clear
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• question_answer11)
  A basket containing the following materials:

  i. Iron sheet

  ii. Glass tumbler

  iii. Tissue paper

  iv. Lens of spectacles

  Which of the above material is transparent?
  A)
  i and ii                                       done clear
  B)
  ii and iv done clear
  C)
  ii and iii                         done clear
  D)
  i and iv done clear
  E)
  None of these done clear
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• question_answer12)
  Match the following:

  Column A		Column B
  (i)	Metals	[A]	Dull appearance
  (ii)	Ground glass	[B]	Transparent
  (iii)	Wood	[C]	Lustrous
  (iv)	Alcohol	[D]	Translucent

  A)
  (i-D), (ii-C), (iii-A), (iv-B) done clear
  B)
  (i-A), (ii-D), (iii-B), (iv-C) done clear
  C)
  (i-C), (ii-D), (iii-A), (iv-B) done clear
  D)
  (i-B), (ii-C), (iii-D), (iv-A) done clear
  E)
  None of these done clear
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• question_answer13)
  Which among the following is lighter than liquid water?
  A)
  Copper                          done clear
  B)
  Glass done clear
  C)
  Ice                    done clear
  D)
  Iron done clear
  E)
  None of these done clear
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• question_answer14)
  Which of the following is not a compound?
  A)
  Water                            done clear
  B)
  Sand done clear
  C)
  Sodium             done clear
  D)
  Washing soda done clear
  E)
  None of these done clear
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• question_answer15)
  Which of the following is composed of carbon, hydrogen and oxygen?
  A)
  Water    done clear
  B)
                    Washing soda done clear
  C)
  Vinegar              done clear
  D)
  Common salt done clear
  E)
  None of these done clear
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• question_answer16)
  Which one among the following materials will not float on the surface of water?
  A)
  Saw-dust                       done clear
  B)
  Ice done clear
  C)
  Petrol                            done clear
  D)
  Silver done clear
  E)
  None of these done clear
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• question_answer17)
  The basic unit that makes up all matter.
  A)
  Substance                      done clear
  B)
  Element done clear
  C)
  Atom                done clear
  D)
  Compound done clear
  E)
  None of these done clear
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• question_answer18)
  Which of the following is not a property of wood?
  A)
  Hardness                       done clear
  B)
  Dull appearance done clear
  C)
  Lustrous            done clear
  D)
  Opaqueness done clear
  E)
  None of these done clear
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• question_answer19)
  The difference in the taste of different compounds is because:
  A)
  They have different colours. done clear
  B)
  Their molecules are different from each other. done clear
  C)
  Their molecules are same. done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer20)
  Which of the following is not an element?
  A)
  Oxygen                         done clear
  B)
  Zinc done clear
  C)
  Mercury                         done clear
  D)
  Sand done clear
  E)
  None of these done clear
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• question_answer21)
  Which among the following statements is not correct for the separation of substances?
  A)
  It is used for removing undesirable constituents. done clear
  B)
  It is used to remove harmful components. done clear
  C)
  It is used to obtain undesirable constituents. done clear
  D)
  It is done for obtaining the pure substances. done clear
  E)
  None of these done clear
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• question_answer22)
  Which of the following methods is used to separate soluble impurities?
  A)
  Decantation                   done clear
  B)
  Sedimentation done clear
  C)
  Evaporation      done clear
  D)
  Filtration done clear
  E)
  None of these done clear
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• question_answer23)
  Filtered tea in an example of:
  A)
  Element             done clear
  B)
  Homogeneous mixture done clear
  C)
  Heterogeneous mixture         done clear
  D)
  Soluble impurity done clear
  E)
  None of these done clear
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• question_answer24)
  While preparing pulao, Ragini found some husk was mixed with the raw rice. By using which of the following methods she can separate husk from rice?
  A)
  Threshing                       done clear
  B)
  Winnowing done clear
  C)
  Filtration                        done clear
  D)
  Sieving done clear
  E)
  None of these done clear
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• question_answer25)
  Petrol and kerosene can be separated by the process of:
  A)
  Filtration                        done clear
  B)
  Winnowing done clear
  C)
  Sieving                          done clear
  D)
  Distillation done clear
  E)
  None of these done clear
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• question_answer26)
  While rinsing rice in the kitchen with water, before cooking, which process is used generally to separate rice from water?
  A)
  Decantation done clear
  B)
  Filtration done clear
  C)
  Winnowing         done clear
  D)
  Evaporation done clear
  E)
  None of these done clear
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• question_answer27)
  A ______ is used to separate small stones from sand.
  A)
  Glass                 done clear
  B)
  Winnowing fan done clear
  C)
  Beaker               done clear
  D)
  Sieve done clear
  E)
  None of these done clear
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• question_answer28)
  Few steps are given below to separate salt from sand. Arrange the given steps in a correct sequence.

  i.   Decantation is done.

  ii. Water is added to the mixture of sand and salt.

  iii. Stir the mixture of salt, sand and water.

  iv. Evaporation is done.

  A)
  i, ii, iii, iv                       done clear
  B)
  iii, iv, i, ii done clear
  C)
  ii, iii, i, iv      done clear
  D)
         ii, i, iv, iii done clear
  E)
  None of these done clear
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• question_answer29)
  After harvesting of crops ____ is separated from grain by winnowing.
  A)
  Stalk                             done clear
  B)
  Chaff done clear
  C)
  Water                            done clear
  D)
  Flour done clear
  E)
  None of these done clear
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• question_answer30)
  Solubility of most of the solids with the increase in temperature.
  A)
  Decrease                     done clear
  B)
  Increase done clear
  C)
  Remains the same       done clear
  D)
  Is not affected done clear
  E)
  None of these done clear
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• question_answer31)
  Which of the following processes is used to separate insoluble impurities?
  A)
  Evaporation                   done clear
  B)
  Distillation done clear
  C)
  Filtration                        done clear
  D)
  Both [a] and [c] done clear
  E)
  None of these done clear
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• question_answer32)
  Difference in _____, is utilizes in the process of winnowing for the separation of two solids.
  A)
  Shape                           done clear
  B)
  Size done clear
  C)
  Weight               done clear
  D)
  Colour done clear
  E)
  None of these done clear
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• question_answer33)
  The process which is used to increase the rate of sedimentation by helping the suspended particles to settle down rapidly is called:
  A)
  Threshing                   done clear
  B)
  Loading done clear
  C)
  Filtration               done clear
  D)
         Winnowing done clear
  E)
  None of these done clear
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• question_answer34)
  Which of the following is not a kind of filter?
  A)
  Strainer                         done clear
  B)
  Wire-mesh done clear
  C)
  Glass beaker done clear
  D)
        Muslin cloth done clear
  E)
  None of these done clear
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• question_answer35)
  A mixture containing saw-dust and iron nails. Iron-nails can be separated from saw-dust by using:
  A)
  Filtration method            done clear
  B)
  Distillation method done clear
  C)
  Magnetic separation        done clear
  D)
  Decantation method done clear
  E)
  None of these done clear
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• question_answer36)
  The maximum amount of a substance which can be dissolved in 100 grams of water at a given temperature, is known as ____ of that substance.
  A)
  Solution                         done clear
  B)
  Solubility done clear
  C)
  Availability        done clear
  D)
  Deficiency done clear
  E)
  None of these done clear
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• question_answer37)
  Water is known as universal solvent because:
  A)
  It is colourless. done clear
  B)
  It dissolves many substances in it. done clear
  C)
  It is odourless. done clear
  D)
  It does not dissolve any substance in it. done clear
  E)
  None of these done clear
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• question_answer38)
  Which process is used to separate butter from milk?
  A)
  Filtration                        done clear
  B)
  Loading done clear
  C)
  Sieving                          done clear
  D)
  Churning done clear
  E)
  None of these done clear
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• question_answer39)
  Which shape of filter paper is preferred for the process of filtration?
  A)
  Square shape     done clear
  B)
  Cubical shape done clear
  C)
  Rectangular shape done clear
  D)
         Conical shape done clear
  E)
  None of these done clear
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• question_answer40)
  Metallic parts of a scooter from a heap of waste materials can be collected with the help of:
  A)
  Chlorine                                     done clear
  B)
  Alum done clear
  C)
  Electromagnet    done clear
  D)
         Sand done clear
  E)
  None of these done clear
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