Class X

Close packing of particles in liquids results in
  1. Low density
  2. Ductility
  3. Brutality
  4. High density
Process in which gas is turned into liquid is known as
  1. Melting
  2. Boiling
  3. Freezing
  4. Condensation
Group that contains more free electrons is
  1. Metals
  2. Non-metals
  3. Metalloids
  4. Stability
Instrument used to measure pressure of gases or liquids is called
  1. Barometer
  2. Thermometer
  3. Manometer
  4. Galvanometer
When an object is slightly rolled over and it remains in same position, state is termed as
  1. Unstable equilibrium
  2. Stable equilibrium
  3. Neutral equilibrium
  4. Stability
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