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EVS M.C.Q. [1M]

Experiment with Water · Rajasthan Board (RBSE) STD 5 (Rajasthan - English Medium). 8 questions.

Questions

M.C.Q. [1M]

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8 questions · timed · auto-graded

MCQ 11 Mark
Wet clothes dry due to __________.
  • A
    Condensation
  • B
    Freezing
  • ✓
    Evaporation
  • D
    Dissolution
Answer
Correct option: C.
Evaporation
C
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MCQ 31 Mark
Which of the following substances floats on the surface of water?
  • A
    Salt
  • ✓
    Oil
  • C
    Soil
  • D
    Sugar
Answer
Correct option: B.
Oil
B
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MCQ 41 Mark
What is done in Sambhar Lake for salt production?
  • A
    Water is boiled.
  • B
    Colour is added in water.
  • C
    Sugar is added in water.
  • ✓
    Water is evaportated in the sun.
Answer
Correct option: D.
Water is evaportated in the sun.
D
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MCQ 51 Mark
In the process of evaporation water-
  • A
    Changes into solid.
  • B
    Remains liquid.
  • C
    Changes its colour.
  • ✓
    Changes into vapour.
Answer
Correct option: D.
Changes into vapour.
D
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MCQ 71 Mark
What should be done to dissolve sugar in water quickly?
  • ✓
    Use hot water
  • B
    Use cold water
  • C
    Keep the water still
  • D
    Leave water without stirring
Answer
Correct option: A.
Use hot water
A
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MCQ 81 Mark
Which among the following is an example of insoluble substance?
  • A
    Salt
  • B
    Sugar
  • ✓
    Oil
  • D
    Lemon juice
Answer
Correct option: C.
Oil
C
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M.C.Q. [1M] - EVS STD 5 Questions - Vidyadip