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WorksheetsParticulate nature of matter and diffusion
Total questions: 25
Worksheet time: 15mins
1.Which of the following processes causes the distance between the particles to increase the most?
Melting
Freezing
Sublimation
condensation
2.Which statements describe the arrangement of particles in solids?
particles are moving in all directions
Particles are arranged in neat rows
particles can move past each other
particles vibrate about their positions
3.Bleach spilled on the kitchen floor and after sometime whole kitchen smelled of bleach. Which process occurred?
Evaporation and brownian motion
Diffusion
Evaporation
Evaporation and diffusion
- Oxygen diffuses .......... than fluorine as its .............. is less than that of the fluorine
(a)
How is pressure created in can of gas?
collision of gas particles
movement of gas particles
collision of particles against the wall of container
weak forces of attraction
These particles are held together by very strong forces of attraction
Solid
Liquid
Gas
Plasma
Arrange the strength of the forces of attraction between the particles of solids, liquids and gases from the strongest to weakest
(strongest) gases > liquids > solids (weakest)
(strongest) solids > liquids > gases (weakest)
(strongest) gases > solids > liquids (weakest)
(strongest) solids > gases > liquids (weakest)
The diagram represent the arrangement of particles in ____________.
gas
liquid
solid
The diagram represent the arrangement of particles in ____________.
gas
liquid
solid
Why solids and liquids cannot be compressed?
The particles are closely packed together and there are no empty spaces.
The particles are far apart from one another and there are empty spaces.
The particles are arranged in an orderly manner.
The particles are not arranged in an orderly manner.
A substance has a boiling point of 90°C. What changes occur when it is heated from 50°C to 120°C?
energy of particles increase; attractive forces decrease
energy of particles decrease; attractive forces increase
energy of particles increase; attractive forces increase
energy of particles decrease; attractive forces decrease
The three states of matter are represented by diagrams X, Y and Z. Which change occurs during condensation?
X to Y
X to Z
Y to X
Z to X
The boiling points of four different liquids are given below. The particles in the liquids have approximately the same mass. Which liquid has the weakest bonds between its particles?
Liquid A boils at 20°C
Liquid B boils at 30°C
Liquid C boils at 40°C
Liquid D boils at 50°C
An ice cube is gently warmed as shown. Which process is taking place?
Decomposition
Dissolving
Boiling
Melting
Which would be a liquid at 50 °C?
A
B
C
D
Which letter shows a point when the substance is a solid?
A
B
C
E
Which letter shows a point when the substance is a gas?
B
C
D
E
Between which two points is the melting point of the substance?
A to B
B to C
C to D
D to E
Between which two points is the boiling point of the substance?
A to B
B to C
C to D
D to E
The experiment shown in the diagram demonstrates the process of...
(a)
Pick all the halogens which will be a gas at room temperature (20℃)
Fluorine
Chlorine
Bromine
Iodine
Astatine
How many changes of state occur in this graph?
1
2
3
Diffusion is faster in
Liquid
Solid
Gas
Equal in all
