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States of Matter P1 IGCSE Chemistry

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Nature of Matter – Test (P1)
Name:
1. The table below shows the melting points and boiling points of substances A to D. Which substance is suitable to
use in a thermometer that measures in the range -120oC to 20oC?
Substance
Melting Point Boiling Point
o
o
C
C
A
0
100
B
-110
80
C
-40
350
D
-200
40
2. Starting with the solid, the graph shows the results of measuring the temperature of substance X as it was
heated from a low to a high temperature. Which of the following is TRUE?
A.
B.
C.
D.
X is completely liquid between times t1 and t2
X is boiling between times t2 and t3
X is all gas between times t4 and t5
temperature TE1 is the boiling point of X
3.
A.
B.
C.
D.
Which of the following statements best describes the arrangement of particles in a liquid?
Close together and moving freely
Far apart and vibrating
Close together and stationary
Very far apart and moving quickly
4. Which describes cooking oil?
A. a liquid
B. difficult to classify simply as gas, liquid or solid
C. a solid
D. a gas
5. Heat from the Sun changes water from liquid to a gas. This change of state is called?
A. distillation
B. condensation
C. saturation
D. evaporation
6. Which of the following best describes what happens to the particles of ice when it melts?
A. They gain energy and break up into atoms of hydrogen and oxygen,
B. They lose energy and escape into the atmosphere
C. They gain energy and gain freedom to move about
D. They lose energy and lose freedom to move about
7. Which of the following best describes what happens to the particles of water when it evaporates?
A. They lose energy and escape into the atmosphere
B. The higher kinetic energy particles increase their freedom to move without significant attraction
C. They gain energy and gain freedom to move about
D. They lose energy and lose freedom to move about
8. Which of the following best describes what happens to the particles of water when it freezes?
A. They gain energy and break up into atoms of hydrogen and oxygen
B. They gain energy and gain freedom to move about
C. They lose energy and escape into the atmosphere
D. They lose energy and lose freedom to move about
9. Which describes set concrete?
A. a gas
B. a liquid
C. a solid
D. difficult to classify simply as gas, liquid or solid
10. Which of the following best describes a LIQUID?
A. fills container, takes shape of container, flows easily, low density
B. definite volume, definite shape, does not readily flow, high density
C. definite volume, takes shape of container, flows easily, high density
D. fills container, definite shape, does not readily flow, low density
11. Which of the following is the opposite of boiling?
A. freezing
B.
condensing
C. evaporating
D. melting
12. Which of the following is true as a liquid changes to a gas in boiling?
A. particles lose freedom
B.
energy change is endothermic
C.
temperature rises
D
increase in particle order
13. Air is in a bottle with a tight screw-top. When the bottle becomes cooler, the pressure inside decreases because
the molecules of air?
A. move slower
B. become smaller
C. become bigger
D. move faster
14. Which is true about the rate of evaporation of water?
A. it is speeded up on a humid day
B. heat is given out in the process
C. it is due to the escape of the most energetic particles
D it is slowed down in a breeze
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