STATES OF MATTER - A
1) Match the Column
COLUMN I
1) Have a different mass and volume but no definite shape.
2) Are not rigid at all, can flow and take up the shape and volume of the container in which they are stored .
3) Are almost incompressible.
4) Have a definite mass but a no definite volume or shape.
5) Have a low density and highly compressible .
6) Have any number of free surfaces .
7) Have one upper surface .
8) Have no surfaces.
9) Are very slightly compressible .
10) Have a definite mass, volume and shape.
COLUMN II
A) Solids
B) Liquids
C) Gases.
2) The following table represents the main postulate of the kinetic theory of matter. Correlate the postulate of the kinetic theory in column I with the correct interconnecting word in column II.
COLUMN I
1) All matter in any state is composed of
2) The particles are arranged in an way such that they have existing between them .
3) The particle attract each other with a
4) The intermolecular attractive forces , with increasing distance
5) The particle are in continuous motion and possess
6) The particles interact and also possess
COLUMN II
A) Potential energy
B) force
C) space or gaps
D) particles
E) kinetic energy
F) decreases
3) Name the state of matter whose characteristic correlates on the basis of the Kinetic theory.
1) Kinetic energy of molecules is least .
2) Intermolecular space is maximum.
3) Intermular force of attraction is negligible.
4) Particles closely packed and can vibrate about their mean positions only.
5) Particles show minimum compactness and are free to move in any direction.
6) Kinetic energy of molecules is very large.
7) Particles less compact and molecules free to move within the particular state of matter, without leaving it, hence the particular state can flow and has a definite volume.
8) Intermolecular force of attraction is maximum and intermolecular space is minimum.
4) The diagram given below represents Interconversations of states of matter from
i) solid to liquid state
ii) liquid to gaseous state
iii) solid to gaseous state
a) Correlate the terms in column II with their meaning in column I.
COLUMN I
1) Solid state to liquid state at a particular temperature.
2) Liquid state to solid state at a particular temperature.
3) Liquid state to gaseous state.
4) Gaseous state to liquid state without fall in temperature.
5) Solid state directly to gaseous (vapour state) without changing into liquid state.
COLUMN II
A) Solidification
B) Melting
C) Vaporisation
D) Sublimation
E) Condensation
b) Complete the blanks in the diagram given below with the terms representing interconversion of states of matter i.e., A to E in Column II.
1) Name the change of state in which naphthalein changes into vapour .
2) Name a common substance which exists in all the three States of matter.
3) Fill in the blanks with the correct word from the words in brackets to complete each sentence.
a) interconversion and matter is ____(affected/not affected) by change in condition such as temperature and pressure.
b) As per kinetic theory of matter in any state is composed of ____(molecules/atoms or ions/molecules, atoms or ions)
c) The interparticle attractive force ____(increases/decreases) with increasing distance between the particles.
d) The particles are in continuous random motion and passes kinetic energy which___( increases/decreases) on application of heat .
e) Force of attraction of particle of matter in gases is ____(large/negligible).
4) Select the correct term from the terms A to F given below, correlating with each statement 1 to 5
1) Process of changes from gaseous state to liquid state without fall in temperature.
2) Process of change from liquid state to solid state at a particular temperature.
3) Temperature at which liquid changes into gaseous state at a pressure of 760 of Hg.
4) Process of change from liquid state to gaseous state.
5) Temperature at which liquid changes into a solid at a pressure of 760 mm.
A) Solidification B) Vaporization C) Melting point D) Solidification E) Boiling points F) Liquification
5) Select the correct word from the words in a bracket to compete each statement:
a) The quantity of matter represents___ while the gravitational pull its ___(weight/mass)
b) ____(iodine/naphthalene) is an example of a solid which is sublimes in the absence of heat.
c) Solidification is also termed as____ (fusion/ freezing).
d) The kinetic energy of molecules in a solid is____(low/very large).
e) In ammonium chloride the intermolecular force is____(high/ low)
6) Select the term, from the terms 1 to 5 which represent the changes A to E as shown in the diagram.
1) Condensation 2) Melting 3) Solidification 4) Sublimation 5) Vaporization
7) Fill in the blanks given below with the words 'increases' or 'decreases' in each case:
a) During Solidification or freezing, the intermolecular force of attraction ____.
b) On heating a liquid at its melting point, the intermolecular distance _____ .
c) Ice melts at 0°C. At its melting point, the intermolecular force of attraction ___ .
d) Change from gaseous state to liquid state results due to____ in intermolecular distance.
e) On heating a sublimable solid, the intermolecular force of attraction____ .
7) Give reasons for the following:
a) Solids ,liquids and gases are considered as a matter , but light is not.
b) On heating a solid at its melting point the intermolecular distance of the particles increases.
c) On heating a liquid at its boiling point, heat energy is converted to potential energy.
d) Sublimable solids directly changes to gaseous state on heating.
e) At its freezing point a liquid changes into a solid
