Particles Constitute Matter

Q. Which of the following has the weakest forces of attraction between its particles?

1. Copper
2. Bromine
3. Helium
4. Gold

Q. The decreasing order of force of attraction between particles in three states of matter is:

1. L > G > S
2. S > L > G
3. G > L > S
4. S > G > L

Q. As the interparticle spaces increases, the interparticle force of attraction ______.

1. remains same
2. increases and then decreases
3. decreases
4. increases

Q. Matter is made up of tiny particles called _______.

1. pieces
2. grains
3. atoms
4. seeds

Q. Particles of matter _________.

1. are in continuous motion
2. rotates about an axis
3. vibrates in one position
4. are stationary

Q. When a deodorant is sprayed, a person in another corner of the room can also smell the fragrance. The phenomenon responsible for this is called.

1. diffusion
2. brownian motion
3. saturation

Q. Which amongst the following pairs is not an example of molecule?

1. Oxygen gas and water
2. Sodium and potassium
3. Oxygen gas and ammonia
4. Hydrochloric acid and water

Q. Matter is made up of tiny particles called _______.

1. pieces
2. atoms
3. grains
4. seeds