Matter Around Us - One Mark Questions

9th Standard

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Science

Time : 00:30:00 Hrs
Total Marks : 20
    5 x 1 = 5
  1. The physical state of water at 373 K is

    (a)

    Solid

    (b)

    liquid

    (c)

    vapour

    (d)

    plasma

  2. When we mix a drop of ink in water we get a__________

    (a)

    Heterogeneous Mixture

    (b)

    Homogeneous Mixture

    (c)

    Compound

    (d)

    Suspension

  3. ______ is essential to perform separation by solvent extraction method.

    (a)

    Separating funnel

    (b)

    centrifuge machine

    (c)

    filter paper

    (d)

    sieve

  4. Gas particles can be forced to get closer and can be easily compressed.So_______increases.

    (a)

    pressure

    (b)

    volume

    (c)

    mass

    (d)

    weight

  5. Light,sound,heat,etc.are not matter.They are different forms of

    (a)

    solids

    (b)

    liquids

    (c)

    gases

    (d)

    energy

  6. 5 x 1 = 5
  7. 1500C = __________ K

    ()

      

  8. Evaporation is always accompanied by______________ in temperature

    ()

    increase

  9. A _____mixture has no distinguishable boundary between its components

    ()

    homogeneous

  10. All matter is made up of tiny particles and these particles are in constant motion which possess________

    ()

    Kinetic energy

  11. The particles start moving faster as their kinetic energy_____

    ()

    increases

  12. 5 x 1 = 5
  13. Liquids expand more than gases on heating.

    (a) True
    (b) False
  14. A compound cannot be broken into simpler substances chemically

    (a) True
    (b) False
  15. Water has a definite boiling point and freezing point.

    (a) True
    (b) False
  16. Homogeneous components are invisible to naked eye

    (a) True
    (b) False
  17. The properties of a compound are as same as their constituent elements

    (a) True
    (b) False
  18. 5 x 1 = 5
  19. Element

  20. (1)

    Adsorbent

  21. Compound

  22. (2)

    Made up of molecules

  23. Charcoal

  24. (3)

    Magnet-

  25. Chromotography

  26. (4)

    Made up of atoms

  27. Mixture of iron & sulphur

  28. (5)

    Mobile phase

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