NCERT/Class 9/Science/Matter in Our Surroundings

Matter in Our Surroundings

Class 9 · Science

94 questions30 easy32 medium32 hard

Sample Questions

Q1.The unit of pressure in SI system is:

  • ANewton
  • BPascal
  • CJoule
  • DAtmosphere

Q2.The SI unit of volume is:

  • ALitre
  • BMillilitre
  • CCubic metre
  • DCubic centimetre

Q3.Which of the following is NOT a characteristic of particles of matter?

  • AParticles have space between them
  • BParticles are continuously moving
  • CParticles attract each other
  • DParticles are always stationary

Q4.If 25°C is converted to Kelvin, the answer is:

  • A248 K
  • B298 K
  • C25 K
  • D373 K

Q5.When we dissolve sugar in water, the level of water:

  • AIncreases significantly
  • BDecreases significantly
  • CDoes not change or changes negligibly
  • DDoubles

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Change of State of MatterCharacteristics of Particles of MatterCompression of GasesDensityDiffusionEffect of Pressure on State of MatterEvaporationFactors Affecting EvaporationInterconversion of StatesLatent HeatMelting and Boiling PointPhysical Nature of MatterStates of Matter - Solid, Liquid, GasSublimation and DepositionTemperature and Kinetic Energy

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