Olympiad – Class VI – Science - Che - Sorting Materials into Groups

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Question - 1

X is a liquid that is partly soluble in liquid Y. Equal volumes of each liquid are taken in two jars as shown below.

Which of the following jars shows the most likely outcome if the two liquids are mixed?

  • A
  • B
  • C
  • D

Question - 2

Which of the following materials is hard, opaque and shines?

  • A Rubber
  • B Wood
  • C Tin
  • D Plastic

Question - 3

Which property of clay is useful for making pots and bricks?

  • A Opacity
  • B Non-magnetic nature
  • C A good conductor of heat
  • D Malleability

Question - 4

Which of the following materials is suitable to make raincoats?

  • A Cotton
  • B Plastic
  • C Silk
  • D Paper

Question - 5

Why are most of the balloons, tyres and footballs made of rubber?

  • A It is naturally available.
  • B It is cheap
  • C It is an electrical insulator.
  • D It is soft and flexible.

Question - 6

What is the criteria on which the process of classification of substances is based on?

  • A Similarities
  • B  Differences
  • C Interrelationships
  • D All the above

Question - 7

If opacity is the distinct feature of wood, then what is glass known for in the same way?

  • A Its transparency
  • B Its magnetic nature
  • C Its conductivity to heat
  • D Its lustrous nature

Question - 8

A mirror is

  • A opaque.
  • B transparent.
  • C translucent.
  • D flexible.

Question - 9

When Amrita was asked to pick up a few articles from a collection, she picked up the following:
1.Wooden scale
2. Glass test tube
3. Paper basket
Which of the following articles is she most likely to pick up the next?

  • A Steel cup
  • B Iron chain
  • C Rubber gloves
  • D Copper wire

Question - 10

What are opaque objects?

  • A Those that reflect most of the light falling on them.
  • B Those that transmit most of the light falling on them.
  • C Those that refract most of the light falling on them.
  • D Those that are strong and hard.