Matter around us English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. __________ has the same properties throughout the sample

    (a)

    Pure substance

    (b)

    Mixture

    (c)

    Colloid

    (d)

    Suspension

  2. The separation of denser particles from lighter particles done by rotation at high speed is called ________

    (a)

    Filtration

    (b)

    sedimentation

    (c)

    decantation

    (d)

    centrifugation

  3. Filtration method is effective in separating _______ mixture

    (a)

    Solid-solid

    (b)

    solid-liquid

    (c)

    liquid-liquid

    (d)

    liquid-gas

  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. Particles of matter are in constant motion as they posses______energy.

    (a)

    potential

    (b)

    kinetic

    (c)

    solar

    (d)

    wind

  6. _____ is a process by which a substance changes from the liquid to gaseous state.

    (a)

    Boiling

    (b)

    Evaporation

    (c)

    Melting

    (d)

    Condensation

  7. The direct change of state from solid to gas is called______

    (a)

    filtration

    (b)

    decantation

    (c)

    sublimation

    (d)

    evaporation

  8. A mixture can be separated into its constituents by_____

    (a)

    Physical

    (b)

    Chemical

    (c)

    Electrical

    (d)

    Magnetic

  9. Gel are______solutions with liquid dispersed in solid

    (a)

    True

    (b)

    Suspension

    (c)

    Colloid

    (d)

    Homogeneous

  10. To separate two or more miscible liquids which do not differ much in the boiling points_______is employed

    (a)

    distillation

    (b)

    filtration

    (c)

    decantation

    (d)

    fractional distillation

*****************************************

Reviews & Comments about 9th Standard Science Matter around us English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

Write your Comment