Worksheets0620 Chemistry IGCSE: States of Matter
Total questions: 12
Worksheet time: 26mins
Which of these gas will travel the slowest
O2
N2
NH3
CO2
Which gas is commonly used in balloons for lifting?
Helium
Oxygen
Nitrogen
Carbon Dioxide
3-6.
Answer the questions below after watching the video
Gases move at different speeds because of the different (a)
When we are handling both hydrochloric acid and ammonia, apart from the gloves, what other safety precautions we have to take?
wearing mask
wearing goggles
preparing a fire extinguisher
wearing a fire-resistant cloth.
It takes some time for the white precipitate or the white ring to form. What changes can we make in the experiment so that the diffusion happens faster?
increase the height of the column
decrease the pressure
increase the temperature
make the column vacuum.
Based on the result of the experiment in the video, if we change the substances to CH3CH2OH gas and CH3OCH3 gas what would be the most possible result?
CH3CH2OH would travel faster than CH3OCH3
CH3CH2OH would travel slower than CH3OCH3
CH3CH2OH would travel as fast as CH3OCH3
CH3CH2OH would travel greater distance than CH3OCH3
Match the following changes of phase to the correct term.
melting
change of solid to liquid
sublimation
change of solid to gas
evaporation
change of liquid to gas at any temp.
boiling
change of liquid to gas at specific temp
deposition
change of gas to solid.
The picture attached is the model of diffusion of coffee particles.
Since we have been discussing about diffusion in fluids, why can't diffusion happen in solids?
In which direction do particles move during diffusion?
Low concentration to high concentration
high concentration to low concentration
How would you describe the movement of particles during the diffusion process?
predictable
random
ordered
following a certain pattern.
What happens to the particles after the perfume is sprayed?
they remains stationary
they spread out to every direction
they stick together
they spread only to one direction
What is the process called when a gas turns into a liquid?
Evaporation
Condensation
Sublimation
Deposition
Which state of matter has the least kinetic energy?
Solid
Liquid
Gas
Plasma
Which sentence best defines Brownian Motion?
random movement of microscopic particles which are suspended in a solid.
predictable movement of microscopic particles which are suspended in a fluid.
irregular movement of microscopic particles which are suspended in a fluid.
predictable movement of microscopic particles which are suspended in a solid.
What would happen to the particles of an isolated gas once they are let to a vacuum container?
they spread out quickly because there is no collision with the air particles.
they spread out quickly because there are helpful collisions with the air particles.
they spread out slowly because there is no collision with the air particles.
they spread out slowly because there are helpful collisions with the air particles.
