CLASS 9TH QUESTION BANK FOR CHAPTER:- MATTER IN OUR SURROUNDING
SUBHAM TUTORIAL .
1.ANSWER THE FOLLOWINGS ??
Give reasons for the following observation;
Question. 1: The smell of hot sizzling food reaches you several meters away, but to get the
smell from cold food you have to go close.
Question.2: A diver is able to cut through water in
swimming pool. Which property of matter does this
observation show?
Question. 3: What are characteristics of particles of
matter?
Question.4: Why are gases compressible not
liquids?
Question.5: Give reasons
(a) A gas fills completely the vessel in which it is
kept.
(b) A gas exerts pressure on the walls of the
container
(c) A wooden table should be called solid.
(d) We can easily move our hand in air but to do the same through a solid block of wood we need
karat expert
.
Question.6: Liquids generally have lower density as that ice floats on water. Find out why? compared to solids. But you must have observed
Question. 7: Differentiate between the properties of three states of matter.
Question. 8: For any substance, why does
temperature remain constant during the change of
state?
Question. 9: Suggest a method to liquefy
atmospheric gases.
Question. 10: Why does a desert cooler cool better
Question.11: How does the water kept in an earthen
pot (matka) become cool during summer?
on a hot dry day?
put some acetone or petrol or perfume on it?
Question. 12: Why does our palm feel cold when we
Question.13: Why are we able to sip hot tea or milk
faster from a saucer rather than a cup in summer?
Question. 14: What type of clothes should we wear
in summer?
Question.15: What is meant by saying that the
latent heat of vaporization of water is 22.5 105 J/Kg?
2.MCQ TYPE QUESTIONS FOR SOLVE ??
1. Which of the following substances exhibit the
strongest intermolecular forces of attraction?
a. watert)
b. ethanol
C. CO (g)
d. sugar(s)
2. Which condition out of the following increase
the evaporation of water?
(a) Increase in temperature of water
(b)Decrease in temperature of water
(C) Adding common salt to water
(d)Less exposed surface area of water
3. The interparticle forces of attraction are
weakest in
(a) water
(b) alcohol
(C) sodium chloride
(d) hydrogen gas
4. Among the three physical states
(a) Both solids and liquids show fluidity
(b) Both liquids and gases show fluidity
(C) Only liquids show fluidity
(d) Only gases show fluidity
5. In summer, we prefer wearing
(a) dark nylon clothes
(b) white cotton clothes
(c) white silk clothes
(d) dark silk clothes
6. The diameters of the molecules of matter are
about
a. 10:10 m
b. 10 m
C. 10'' m
d. 10 m
7. The quantity of heat required to change unit
mass of a solid into liquid at atmospheric
pressure at its melting point is called
(a) latent heat of vaporisation.
(b) latent heat of fusion.
(c) latent heat of sublimation.
(d) latent heat of evaporation.
8. When ice melts to water, heat is
(a) evolved.
(b) absorbed.
(c) no change
(d) evolved or absorbed depending upon the
conditions.
9. In the sublimation process:
(a) solid changes directly to the vapour state
(b) solid initially melts and then changes to
vapour state
(c) liquid changes to vapour state
(d) none of the above
10. Evaporation of a liquid occurs at
(a) its boiling point.
(b) room temperature.
(c) all temperatures.
(d) a temperature higher than its boiling point.
3.MCQ WITH ANSWERS
Question. 1: On Kelvin scale 0°C is equal to
(a) 273 K
(b).- 273 K
(c) OK
(d) 100 K
Question.2: Liquids have
(a) fixed volume and fixed shape
(b) fixed shape and no fixed volume
(c) fixed volume and no fixed shape
(d) neither fixed volume nor fixed shape
Question. 3: Dry ice means
(a) solid
(b) solid water
(c) solid Co2
(d) solid CO
Question. 4: Materials existing as liquids have
(a) boiling point and melting point above room
temperature
temperature
(b) boiling point and melting point below room
(c) boiling point above room temperature and
melting point below room temperature
(d) boiling point and melting point below room
temperature
by cooling?
Question. 5: Which of the following is accompanied
(a) vaporization
(b) evaporation
(d) none of these.
(c) condensation
maximum in
Question. 6: Intermolecular force of attraction is
(a) solids
(b) liquids
(c) gases
(d) plasma particles
Questio. 7: When we add sugar in water, particles
of sugar disappear because they
(a) are very small
(b) get into the spaces between water particles
(c) are moving
(d) all above
Question.8: One small crystal of potassium
permanganate may contain particles
(a) more than 103
(b) more than 104
(c) more than 105
Question. 9: Which of the following statements is
(d) more than 106
not correct?
(a) The density of ice is less than the density of
water.
(b) To convert a temperature on the Kelvin scale to
temperature.
Celsius scale, subtract 273 from the given
(c) To convert a temperature on the Celsius scale to
Kelvin scale, add 273 to the given term
(d) Vaporization of a liquid causes cooling
Question. 10: Which of the following pairs will not
exhibit diffusion?
(a) hydrogen, oxygen
(b) oxygen, water
(c) salt, sand
(d) sugar, water
Question.11: Which of the following substances is
not a liquid?
(a) butter
(b) glass
(c) sponge
(d) rubber band
Question. 12: The temperature at which the solid
melts to become a liquid at the atmospheric
pressure is called
(a) boiling point
(b) melting point
(c) freezing point
(d) none of these.
Question. 13: Which one of the following properties
are not characteristics of liquids?
(a) fluidity
(c) definite volume
(b) definite shape
(d) compressibility
Question.14: Large volume of compressed natural
gas (CNG) is available in small cylinders to us due
to its property of
(a) high inflammability
(b) easy availability
(c) high compressibility
(d) low density
Question. 15: The compressibility of which state of
matter is high
(a) solid
(b) liquid
(c) gas
(d) all of these.
Question. 16: A state of matter which has neither
definite shape nor definite volume
(a) solid
(b) liquid
(c) gas
(d) none of these.
Question.17: Gases are liquefied under
(a) high pressure, high temperature
(b) high pressure, low temperature
(c) low pressure, high temperature
(d) low pressure, low temperature
Question.18: Which of the following changes
represent sublimation?
(a) solid ó gas
(b) solid ó liquid
(C) liquid to solid
(d) liquid to gas
Question.19: Gases do not have
(a) high compressibility
(b) high fluidity
(c) high density
(d) large volume
Question. 20: Which of the following is the simplest
form of matter?
(a) element
(b) mixture
(c) compound
(d) none of these
Question.21: Evaporation of a material takes place
(a) above its boiling point
(b) above its melting point
(c) below its boiling point
(d) below its melting point
Question.22: Particles of a liquid
(a) are most ordered
(b) move randomly
(c) have large intermolecular spaces
(d) can slip and slide over each other
Question.23: Which is not the characteristic of
matter
(a) particles of a matter are continuously moving,
(b) particles of matter move faster on increasing
temperature,
(c) particles of matter intermix with each other on
their own,
(d) particles of all masters have same kinetic energy.
Question. 24: The fluorescent tubes and neon sign
bulbs glow because of
(a) presence of charged particles
(b) high density of gases
(c) high temperature
(d) high applied voltage
Question.25: Which of the following will not
sublime
(a) Camphor
(b) ammonium chloride
(c) bromine
(d) iodine
SOLUTIONS:
1- a. 2-c. 3 c. 4 c. 5-b. 6-a. 7-d. 8-d. 9 d.
10-c. 11 a. 12-b. 13-b. 14-c. 15-c. 16 c. 17-b
. 18-a. 19-c. 20 a. 21-с. 22-d. 23- d. 24 a.
25-c.
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MATTER IN OUR SURROUNDING
1.ANSWER THE FOLLOWINGS ??
Give reasons for the following observation;
Question. 1: The smell of hot sizzling food reaches you several meters away, but to get the
smell from cold food you have to go close.
Question.2: A diver is able to cut through water in
swimming pool. Which property of matter does this
observation show?
Question. 3: What are characteristics of particles of
matter?
Question.4: Why are gases compressible not
liquids?
Question.5: Give reasons
(a) A gas fills completely the vessel in which it is
kept.
(b) A gas exerts pressure on the walls of the
container
(c) A wooden table should be called solid.
(d) We can easily move our hand in air but to do the same through a solid block of wood we need
karat expert
.
Question.6: Liquids generally have lower density as that ice floats on water. Find out why? compared to solids. But you must have observed
Question. 7: Differentiate between the properties of three states of matter.
Question. 8: For any substance, why does
temperature remain constant during the change of
state?
Question. 9: Suggest a method to liquefy
atmospheric gases.
Question. 10: Why does a desert cooler cool better
Question.11: How does the water kept in an earthen
pot (matka) become cool during summer?
on a hot dry day?
put some acetone or petrol or perfume on it?
Question. 12: Why does our palm feel cold when we
Question.13: Why are we able to sip hot tea or milk
faster from a saucer rather than a cup in summer?
Question. 14: What type of clothes should we wear
in summer?
Question.15: What is meant by saying that the
latent heat of vaporization of water is 22.5 105 J/Kg?
2.MCQ TYPE QUESTIONS FOR SOLVE ??
1. Which of the following substances exhibit the
strongest intermolecular forces of attraction?
a. watert)
b. ethanol
C. CO (g)
d. sugar(s)
2. Which condition out of the following increase
the evaporation of water?
(a) Increase in temperature of water
(b)Decrease in temperature of water
(C) Adding common salt to water
(d)Less exposed surface area of water
3. The interparticle forces of attraction are
weakest in
(a) water
(b) alcohol
(C) sodium chloride
(d) hydrogen gas
4. Among the three physical states
(a) Both solids and liquids show fluidity
(b) Both liquids and gases show fluidity
(C) Only liquids show fluidity
(d) Only gases show fluidity
5. In summer, we prefer wearing
(a) dark nylon clothes
(b) white cotton clothes
(c) white silk clothes
(d) dark silk clothes
6. The diameters of the molecules of matter are
about
a. 10:10 m
b. 10 m
C. 10'' m
d. 10 m
7. The quantity of heat required to change unit
mass of a solid into liquid at atmospheric
pressure at its melting point is called
(a) latent heat of vaporisation.
(b) latent heat of fusion.
(c) latent heat of sublimation.
(d) latent heat of evaporation.
8. When ice melts to water, heat is
(a) evolved.
(b) absorbed.
(c) no change
(d) evolved or absorbed depending upon the
conditions.
9. In the sublimation process:
(a) solid changes directly to the vapour state
(b) solid initially melts and then changes to
vapour state
(c) liquid changes to vapour state
(d) none of the above
10. Evaporation of a liquid occurs at
(a) its boiling point.
(b) room temperature.
(c) all temperatures.
(d) a temperature higher than its boiling point.
3.MCQ WITH ANSWERS
Question. 1: On Kelvin scale 0°C is equal to
(a) 273 K
(b).- 273 K
(c) OK
(d) 100 K
Question.2: Liquids have
(a) fixed volume and fixed shape
(b) fixed shape and no fixed volume
(c) fixed volume and no fixed shape
(d) neither fixed volume nor fixed shape
Question. 3: Dry ice means
(a) solid
(b) solid water
(c) solid Co2
(d) solid CO
Question. 4: Materials existing as liquids have
(a) boiling point and melting point above room
temperature
temperature
(b) boiling point and melting point below room
(c) boiling point above room temperature and
melting point below room temperature
(d) boiling point and melting point below room
temperature
by cooling?
Question. 5: Which of the following is accompanied
(a) vaporization
(b) evaporation
(d) none of these.
(c) condensation
maximum in
Question. 6: Intermolecular force of attraction is
(a) solids
(b) liquids
(c) gases
(d) plasma particles
Questio. 7: When we add sugar in water, particles
of sugar disappear because they
(a) are very small
(b) get into the spaces between water particles
(c) are moving
(d) all above
Question.8: One small crystal of potassium
permanganate may contain particles
(a) more than 103
(b) more than 104
(c) more than 105
Question. 9: Which of the following statements is
(d) more than 106
not correct?
(a) The density of ice is less than the density of
water.
(b) To convert a temperature on the Kelvin scale to
temperature.
Celsius scale, subtract 273 from the given
(c) To convert a temperature on the Celsius scale to
Kelvin scale, add 273 to the given term
(d) Vaporization of a liquid causes cooling
Question. 10: Which of the following pairs will not
exhibit diffusion?
(a) hydrogen, oxygen
(b) oxygen, water
(c) salt, sand
(d) sugar, water
Question.11: Which of the following substances is
not a liquid?
(a) butter
(b) glass
(c) sponge
(d) rubber band
Question. 12: The temperature at which the solid
melts to become a liquid at the atmospheric
pressure is called
(a) boiling point
(b) melting point
(c) freezing point
(d) none of these.
Question. 13: Which one of the following properties
are not characteristics of liquids?
(a) fluidity
(c) definite volume
(b) definite shape
(d) compressibility
Question.14: Large volume of compressed natural
gas (CNG) is available in small cylinders to us due
to its property of
(a) high inflammability
(b) easy availability
(c) high compressibility
(d) low density
Question. 15: The compressibility of which state of
matter is high
(a) solid
(b) liquid
(c) gas
(d) all of these.
Question. 16: A state of matter which has neither
definite shape nor definite volume
(a) solid
(b) liquid
(c) gas
(d) none of these.
Question.17: Gases are liquefied under
(a) high pressure, high temperature
(b) high pressure, low temperature
(c) low pressure, high temperature
(d) low pressure, low temperature
Question.18: Which of the following changes
represent sublimation?
(a) solid ó gas
(b) solid ó liquid
(C) liquid to solid
(d) liquid to gas
Question.19: Gases do not have
(a) high compressibility
(b) high fluidity
(c) high density
(d) large volume
Question. 20: Which of the following is the simplest
form of matter?
(a) element
(b) mixture
(c) compound
(d) none of these
Question.21: Evaporation of a material takes place
(a) above its boiling point
(b) above its melting point
(c) below its boiling point
(d) below its melting point
Question.22: Particles of a liquid
(a) are most ordered
(b) move randomly
(c) have large intermolecular spaces
(d) can slip and slide over each other
Question.23: Which is not the characteristic of
matter
(a) particles of a matter are continuously moving,
(b) particles of matter move faster on increasing
temperature,
(c) particles of matter intermix with each other on
their own,
(d) particles of all masters have same kinetic energy.
Question. 24: The fluorescent tubes and neon sign
bulbs glow because of
(a) presence of charged particles
(b) high density of gases
(c) high temperature
(d) high applied voltage
Question.25: Which of the following will not
sublime
(a) Camphor
(b) ammonium chloride
(c) bromine
(d) iodine
SOLUTIONS:
1- a. 2-c. 3 c. 4 c. 5-b. 6-a. 7-d. 8-d. 9 d.
10-c. 11 a. 12-b. 13-b. 14-c. 15-c. 16 c. 17-b
. 18-a. 19-c. 20 a. 21-с. 22-d. 23- d. 24 a.
25-c.
To get latest update about this tutorial keep watch and follow us
⇓
subhamtutorial.blogspot.com
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