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Wednesday, November 5

[Quiz] Science_Chemistry- Free Online Test - 1 (6th STD)

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TNPSC Free Online Test by TNPSC GURU.in
Subject
Science - Chemistry

Exam Portions
Tamil Nadu Samacheer Kalvi 6th Std
Science - Chemistry FULL
Science Chemistry Online Test Series No: 1
No of Questions
20
Duration
10 Min
Difficulty Level
Easy
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TNPSC Free Online Test

  1. Which of the following are the non periodic changes?
    1.  Season
    2.  Earthquake
    3.  Tsunami
    4.  Earthquake and Tsunami

  2. A: Reaction in which heat is absorbed is said to be exothermic reaction B: Dissolution of glucose in water is an endothermic reaction
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A nor B is Correct

  3. A: Reaction in which heat is evolved is said to be exothermic reaction B: Dissolution of Detergent in water is an endothermic reaction
    1.  Only A is Correct
    2.  Only B is Correct
    3.  Both A and B are Correct
    4.  Neither A nor B is Correct

  4. Velcro, which is used in our footwear was invented by
    1.  Galileo
    2.  Neil bohr
    3.  Newton
    4.  George Mestral

  5. Which one among the following is a desirable change?
    1.  earthquake
    2.  tsunami
    3.  ripening of fruits
    4.  Curdling of Milk

  6. The method in which the pebbles are separated from sand is
    1.  evaporation
    2.  sieving
    3.  sedimentation
    4.  None of the above

  7. What is a supernatant liquid?
    1.  super cooled liquid
    2.  liquid collected during condensation
    3.  used to make glasses
    4.  Clear liquid above the sediment during sedimentation process

  8. Which of the following method is used  to separate dissolved solids from the liquid?
    1.  Evaporation
    2.  Sieving
    3.  Sedimentation
    4.  None of the above

  9. A: Common salt can only be obtained from sea water. B: One litre of Sea water contains about 3.5 grams of salt. C: Common Salt consists of more than 50 minerals
    1.  Both A and B are Correct
    2.  Neither A nor B is Correct
    3.  Only A is wrong
    4.  Only B is wrong

  10. Which of the following are the kind of Thermo setting plastics
    A:PET
    B:PVC
    C:Melamine
    D:Bakelite
    1.  A and B
    2.  C and D
    3.  A and C
    4.  B and D

  11. The important constituents of cement are
    1.  Lime Stone and Gypsum
    2.  Lime Stone and Clay
    3.  Clay and Gypsum
    4.  Lime stone, Clay and Gypsum

  12. The plastics that can be easily melt and softened by heating is
    1.  natural plastics
    2.  artificial plastics
    3.  thermo setting plastics
    4.  thermo plastics

  13. The plastics that cannot be melt and softened by heating is
    1.  natural plastics
    2.  artificial plastics
    3.  thermo setting plastics
    4.  thermo plastics

  14. Expand "PVC"
    1.  Poly Vernier Chlorine
    2.  Poly Vinyl Coating
    3.  Poly Vinyl Chlorine
    4.  Poly Vinyl Chloride

  15. A: Bakelite is a good conductor of electricity B: Bakelite is used in switches
    1.  Neither A nor B is Correct
    2.  Both A and B are Correct
    3.  Only B is wrong
    4.  Only A is wrong

  16. Which of the following substance is used in fire proof clothes?
    1.  PET
    2.  Melamine
    3.  PVC
    4.  Bakelite

  17. A: The harappan people were the first to use glass materials B: Glass is made up of silica Only
    1.  Only A is wrong
    2.  Only B is wrong
    3.  Both A and B are Correct
    4.  Neither A nor B is Correct

  18. Annealing is a process in which glass is cooled
    1.  gradually
    2.  quickly
    3.  very slowly
    4.  none of the above is correct

  19. A: Umbrella is made from material called PVC B: The chemical substance found in the cotton fibre is called cellulose
    1.  Both A and B are correct
    2.  Neither A nor B is Correct
    3.  Only A is wrong
    4.  Only B is wrong

  20. India Cement Ltd was started in India in the year
    1.  1910
    2.  1914
    3.  1931
    4.  1947



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3 comments:

  1. India Cements Limited established in 1946

    ReplyDelete
    Replies
    1. Check it in book it is 1914 only.. also in web if we search " India Cement company Ltd porbandar started in" it shows 1914 only

      Delete
  2. exothermic reaction means heat liberated....

    ReplyDelete

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