Class 6 Sorting Materials Into Groups CBSE Questions & Answers

Class 6 · Sorting Materials Into Groups

This is Science Class 6 Sorting Materials into Groups CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Cooking vessels are made up of metals because metals are
  • A
    Good conductor of electricity
  • B
    Good conductor of heat
    Correct
  • C
    Bad conductor of electricity
  • D
    Bad conductor of heat
2
Materials which are difficult to stretch and compress are called
  • A
    Elastic substance
  • B
    Plastic substance
  • C
    Hard substance
    Correct
  • D
    Soft substance
3
Which substance is insoluble in water?
  • A
    Copper sulphate
  • B
    Sugar
  • C
    Iron fillings
    Correct
  • D
    Salt
4
Which gas dissolve in water that helps in breathing aquatic organism?
  • A
    Sulpher dioxide
  • B
    Nitrogen
  • C
    Oxygen
    Correct
  • D
    Carbon dioxide
5
Which of the following substance floats in water?
  • A
    Iron nail
  • B
    Wooden logs
    Correct
  • C
    Silver articles
  • D
    Earthen pots
6
Those substance through which things can be seen is called
  • A
    Translucent substance
  • B
    Semiconductor
  • C
    Opaque substance
  • D
    Transparent substance
    Correct
7
Materials can be grouped on the basis of
  • A
    Similarities only
  • B
    Differences only
  • C
    Similarities and differences
    Correct
  • D
    Colour only
8
Butter paper and thick sheet of plastics are example of
  • A
    Volatile object
  • B
    Transparent object
  • C
    Translucent object
    Correct
  • D
    Opaque object
9
When petrol is kept open in a container, some petrol change into gas because
  • A
    Petrol has high boiling point
  • B
    Petrol catch fire easily
  • C
    Petrol is stored at high pressure
  • D
    Petrol is volatile substance
    Correct
10
When iron nail is placed into water, after sometimes red deposit develops on it due to
  • A
    Melting
  • B
    Dissolving
  • C
    Rusting
    Correct
  • D
    Tanning
11
Water is important for our body as it
  • A
    Low melting point
  • B
    Poor conductor of electricity
  • C
    Good conductor of heat
  • D
    Dissolve most of the substance
    Correct
12
Which group contain only materials made up of wood?
  • A
    Chair, table, bed cover, sofa
  • B
    Window pans, table, chair, sofa
  • C
    Table, chair, television, door
  • D
    Chair, table, bed, cupboard
    Correct
13
Perfumes and deodorant and recognised by their
  • A
    Taste
  • B
    Fragrance
    Correct
  • C
    Physical state
  • D
    Colour
14
Which of the following material is best conductor of electricity?
  • A
    Aluminium
  • B
    Copper
  • C
    Iron
  • D
    Silver
    Correct
15
The material which has lustre is
  • A
    Rubber
  • B
    Wood
  • C
    Iron
    Correct
  • D
    Plastic