CBSE Questions for Class 9 Chemistry Matter In Our Surroundings Quiz 2 - MCQExams.com

State whether the given statement is true or false.

A gas has a definite mass but no definite volume and shape.
  • True
  • False
Meena conducted an experiment as shown above. When she pushed the bottle into the basin of water, she could see bubbles escaping from the rubber tube into the beaker of water. What can she infer from her experiment?
103205_3c837f6d72dd45a8b40582b76a4c64ca.png
  • Water contains air
  • Air occupies space
  • Water occupies space
  • Only one matter can occupy space at any one time
What happens when a solid melts?
  • Its molecules move faster
  • Its molecules move closer together
  • The movement of its molecules decreases
  • The temperature decreases although heat is added
The state of matter with the least intermolecular forces of attraction is the gaseous state.
  • True
  • False
What happens to a substance when the space between its particles is decreased?
  • The volume of the substance is increased.
  • The volume of the substance is decreased.
  • The mass of the substance is increased.
  • The mass of the substance is decreased.
Choose the correct option for arrangement in the order indicated for solids, liquids, and gases :
(i) Decreasing order - empty space between
(ii) Increasing order - the tendency to flow
  • (i) Solid > Liquid > Gases       (ii) Gases < Liquid < Solids
  • (i) Solids > Liquids > Gases    (ii) Solids < Gases < Liquids
  • (i) Gases > Liquids > Solids    (ii) Solids < Liquids < Gases
  • (i) Solids > Gases > Liquids    (ii) Gases < Solids < Liquids
All matter that is present in the universe has:
  • volume
  • mass
  • Both A and B
  • None of the above
Anu wanted to find out which solid, marbles or beads, occupy more space. In order to be a fair test what things should be kept same?
  • Amount of liquid
  • Size of the container
  • Number of marbles and beads
  • Mass and volume of the marbles and beads
Which of the following statements is not true?
  • All forms of matter have volume.
  • All forms of matter have colour.
  • All forms of matter have mass.
  • All of the above are true..
The interparticle attractive force ......... with increasing distance between particles.
  • Increases
  • Decreases
  • Increases moderately
  • None
Matter is made up of:
  • Protons only
  • Electrons only
  • Neutrons only
  • All of these
Evaporation is a property of ______________.
  • solid
  • liquid
  • gas
  • all of the above
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
  • Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
  • Assertion is correct but Reason is incorrect
  • Both Assertion and Reason are incorrect

What can $$y$$ be in given Venn diagram?
103251_07562c52d4d542a9b831c53357a90c49.png
  • Oxygen
  • Shampoo
  • Plasticide
  • Wax
 Matter changes from one state to another state on change in ___________.
  • density
  • pressure
  • temperature
  • all
On heating the solid _________.
  • particles gain energy
  • particles loses energy
  • energy remain constant
  • none of the above
What can $$x$$ be in the given Venn diagram?

103250_500c3ec101c04784a36976b33ab63358.jpg
  • Wax
  • Book
  • Honey
  • Oxygen
Solids have the largest inter-particle space.
  • True
  • False
A definite volume but not a definite shape, is a property of:
  • solid
  • liquid
  • gas
  • all of the above
On heating the solid ______________.
  • intermolecular attraction between particles increases.
  • intermolecular attraction between particles decreases.
  • intermolecular attraction between particles remains constant.
  • none of the above
Two balloons are filled with air and are tied to a wooden rod. Balloon P is pricked through the cellophane tape. The figure shows the situation before and after balloon P is pricked.
What can you deduce from the above activity?
103224_ca110ca6b9b1421087cc8d89803c72d6.png
  • Air occupies no space
  • Air has mass
  • Air has a fixed shape.
  • None of the above
Gases have the strongest inter-particle forces.
  • True
  • False
Evaporation of a liquid _____________.
  • is dependent on its mass
  • increases with increasing pressure
  • is not affected by pressure
  • decreases with increasing pressure
Change in the state of matter can be brought by changing :
  • temperature
  • pressure
  • A or B
  • none of these
Water purified by the process of evaporation and condensation can contain:
  • salt
  • sand
  • oil
  • None of the above
Burns caused by steam are more severe that burns caused by boiling water.
  • True
  • False
The rate of evaporation is affected by which of the following?
(i) Wind
(ii) Temperature
(iii) Area of exposed surface
(iv) Humidity
  • i, ii, & iv only
  • i, iii, & iv only
  • i, ii, & iii only
  • i, ii, iii, & iv
Ice at zero centigrade has greater cooling effect than water at $$0^{\circ}C$$.
  • True
  • False
Fill in the blank:
The intermolecular spaces in gases are ..... than solids.
  • more
  • less
  • same
  • None of these
Which of the following statements is/are correct ? 
  • Inter particle spaces are maximum in the gaseous state of a substance
  • Particles which constitute gas follow a zig-zag path
  • Solid state is the most compact state of substance.
  • All are correct
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