a
C
а.
4. A few substances are arranged in the increasing order of 'forces of attraction between
their particles. Which one of the following represents the correct arrangement?
Water, air, wind
b Air, sugar, oil
Oxygen, water, sugar
d. Salt, juice, air
5. Out of the following, an example of matter which can be termed as fluid is:
carbon
b. sulphur C
Oxygen
d phosphorus
6. Which one of the following statements is not true?
a. the molecules in a solid vibrate about a fixed position
b. the molecules in a liquid are arranged in a regular pattern
C. the molecules in a gas exert negligibly small forces on each other, except during collisions
d. the molecules of a gas occupy all the space available
7. Which of the following can sublimate?
a. Camphor b. lodine C Both (a) and (b) d. None of those
Answers
Explanation:
Intermolecular forces are forces of attraction or repulsion which act between neighbouring particles (atoms,moleculesorions). These force keep a molecule together.
Intermolecular forces are forces of attraction or repulsion which act between neighbouring particles (atoms,moleculesorions). These force keep a molecule together.In solid, a particle can vibrate but they can not move. Sugar is solid.
Intermolecular forces are forces of attraction or repulsion which act between neighbouring particles (atoms,moleculesorions). These force keep a molecule together.In solid, a particle can vibrate but they can not move. Sugar is solid.In liquid, the force of attraction is weaker than solid. Water is a liquid.
Intermolecular forces are forces of attraction or repulsion which act between neighbouring particles (atoms,moleculesorions). These force keep a molecule together.In solid, a particle can vibrate but they can not move. Sugar is solid.In liquid, the force of attraction is weaker than solid. Water is a liquid.In gas, the particle moves fast in a random direction so there is no force of attraction. Oxygen is a gas.
Intermolecular forces are forces of attraction or repulsion which act between neighbouring particles (atoms,moleculesorions). These force keep a molecule together.In solid, a particle can vibrate but they can not move. Sugar is solid.In liquid, the force of attraction is weaker than solid. Water is a liquid.In gas, the particle moves fast in a random direction so there is no force of attraction. Oxygen is a gas.Oxygen,water,sugar is the increasing order of forces of attraction.