WorksheetsUnit 6: Separation Techniques (Part II)
Total questions: 18
Worksheet time: 36mins
A technique to separate a mixture of two solids where the particles of one solid are larger than the other
(a)
What is this called?
(a)
What technique is used here?
sublimation
magnetism
decanting
precipitation
Give a real world example of magnetism being used to separate materials
What does this mean: "The iodine sublimes after being heated"
Give an example of sifting being used to separate mixtures
What process is occurring in the photo?
Decanting
Precipitation
Sublimation
Evaporation
What gas is in the balloon?
Oxygen
Nitrogen
Carbon Dioxide
Water Vapor
What method would you use to separate this mixture? Explain why.
What method would you use to separate this mixture? Explain why.
What technique is used in sewage treatment plants?
Sublimation
Sifting
Filtration
Precipitation
How is the ice cream staying cold outside of the refrigerator?
(a)
After precipitation takes place, what is the new substance that is created called?
(a)
Methods for Separating Solids
When it comes to separating different sized particles, sifting is a useful method. By passing a mixture through a sieve, the smaller particles can be separated from the larger ones, allowing for a more refined material.
Another method involves using magnetism to separate materials. By using a magnet, it is possible to attract and separate magnetic materials from non-magnetic ones, making it an effective way to sort through mixtures.
Sublimation is also a method for separating mixtures. This process involves turning a solid directly into a gas, bypassing the liquid state. By doing so, it is possible to separate substances based on their different sublimation points.
Turning a solid directly into a gas through sublimation allows for the separation of (a)
What is an effective method for sorting mixtures based on their magnetic properties?
Filtration
Using a magnet
Evaporation
Decantation
What method is used for separating substances based on their different sublimation points?
Filtration
Sublimation
Decantation
Evaporation
What is the usefulness of passing a mixture through a sieve in separating different sized particles?
What method allows for the separation of different sized particles?
Filtration
Evaporation
Magnetic separation
Decantation
Match the techniques
Salt and water
Evaporation
Iodine and sand
Sublimation
Sewage water
Precipitation
Stones and water
Decanting
Coffee and water
Filtration
How are pigments made?
(a)
Give two similarities between evaporation and sublimation
Can a sand and water mixture be separated by evaporation? Explain
