9th Chemistry Chapter 5 solved exercise MCQs

9th Chemistry Chapter 5 solved exercise MCQs

Physical States of Matter

  1. How many times are the liquids denser than gases ?

(a) 100 times

(b) 1000 times

(c) 10,000 times

(d) 100,000 times

2. Gases are the lightest form of matter and their densities are expressed in terms of :

(a) mg/cm3

(b) g/cm3

(c) g/dm3

(d) kg/dm3

3. Which one of the following coexists in dynamic equilibrium at freezing point ?

(a) gas and solid

(b) liquid and gases

(c) liquid and solid

(d) all of these

4. Which one of the following motions are possessed by solid particles ?

(a) rotational motion

(b) vibrational motion

(c) translational motion

(d) both translational and vibrational motions

5. Which one of the following is not amorphous ?

(a) rubber

(b) plastic

(c) glass

(d) glucose

6. One atmospheric pressure is equal to how many Pascals :

(a) 101325

(b) 10325

(c) 106075

(d) 10523

7. In the evaporation process , liquid molecules which leave the surface of the liquid have :

(a) very low energy

(b) moderate energy

(c) very high energy

(d) none of these

8. Which one of the following gas diffuses fastest ?

(a) hydrogen

(b) helium

(c) flurine

(d) chlorine

9. Which one of the following does not affect the boiling point ?

(a) intermolecular forces

(b) external pressure

(c) nature of liquid

(d) initial temperature of liquid

10. Density of a gas increases, when its :

(a) temperature is increased

(b) pressure is increased

(c) volume is kept constant

(d) none of these

11. The vapour pressure of a liquid increases with the :

(a) increase of pressure

(b) increase of temperature

(c) increase of intermolecular forces

(d) increase of polarity of molecules

  • Comment your opinion
  • Ask any question in comments
  • Share with your friends
  • Subscribe my YouTube Channel
  • Follow for more knowledge
  • Instagram | zahraawan810
  • Facebook page | Learn with ZahraAwan
  • YouTube | Learn with ZahraAwan

#zahraawan

#learnwitzahraawan

9th Chemistry , Chapter 5 , solved exercise short questions , free notes
9th Physics , Chapter 5 , solved exercise short questions , free notes
9th Chemistry , Chapter 1 , Fundamentals of Chemistry , solved exercise short questions , free notes
9th Chemistry , Chapter 1 , Fundamentals of Chemistry , solved exercise MCQs , complete concept

2 thoughts on “9th Chemistry Chapter 5 solved exercise MCQs”

  1. Pingback: 9th chemistry chapter 5 solved exercise short questions - learn with ZahraAwan

  2. Pingback: 9th Chemistry Chapter 6 solved exercise MCQs - learn with ZahraAwan

Leave a Comment

Your email address will not be published. Required fields are marked *