Characteristics of Particles
Trending Questions
Q.
What is the force of attraction between the molecules of a substance called?
Q.
In solids, the strength of intermolecular forces of attraction is:
- higher than liquid and gases
- less than gases
- less than liquid
- equivalent to liquid
Q. Which amongst the following substances have the maximum random movement of particles in it?
- Fresh juice
- Oxygen cylinder
- Wooden table
- Iron nail
Q. The random movement of particles is maximum in gas.
- True
- False
Q.
Arrange water, sugar, oxygen in increasing order of forces of attraction between the particles and explain the same.
Q. Due to strong intermolecular forces,
- liquids
- solids
- gases
Q.
The molecules of water are more_________ (loosely/tightly) packed than the molecules of oxygen.
Q.
Define magnetic separation.
Q.
Arrange water, sugar, oxygen in increasing order of forces of attraction between the particles and explain the same.
Q. The level of water in a beaker rises when a spoon full of sugar or salt is added to it.
- False
- True
Q. State the two factors which determine the state of a substance.
Q.
- Solids
- Gases
- Liquids
Q. An increase in the temperature of a substance results in an increase in the space between the particles.
- True
- False
Q. The smell of hot sizzling brownie reaches everyone in a room but it is not the case with an ice cream, because the particles at
- room temperature
- high temperature
- low temperature
Q. Air has mass and occupies space.
- False
- True
Q. The motion of particles is because of their
- potential energy
- kinetic energy
- increases
- decreases
- remains unaffected
Q. Which among the following has the strongest intermolecular force of attraction between its particles at the room temperature?
- Chalk
- Nitrogen
- Mercury
- Iron
Q.
The more the space between the particles of the matter, more is the force of attraction between them.
- True
- False
Q. Arrange the following substances in the increasing order of the force of attraction between their particles.
- Oxygen < water < sugar
- Oxygen < sugar < oil
- Salt < juice < air
- Water < air < salt
