Which substance would be found nearest the bottom of the distillation tower?
Paraffin wax
Propane
Kerosene
Gasoline
Sea salt has been obtained for thousands of years using which separation process?
Evaporation
Filtering
Distillation
Sifting
A gardener uses a box with a mesh bottom to remove large debris from his compost before he uses it to plant seeds.
This is an example of which separation process?
Sifting
Distillation
Magnetism
Filtering
Panning for gold involves shaking a pan containing water and a small amount of gravel or sand so that any heavier gold nuggets present will sink to the bottom.
This is an example of which separation process?
Sifting
Filtering
Distillation
Evaporation
Which method of separation utilizes differences in particle size?
Filtering
Magnetism
Distillation
Evaporation
Which method of separation utilizes differences in particle density?
Sifting
Magnetism
Filtering
Evaporation
As an experiment, a student wanted to know if a sample containing ethanol was pure or not. She decided to let the sample sit over several days in an open beaker, after which time she discovered a fine white powder at the bottom of the beaker. What separation method did she use?
Evaporation
Filtering
Distillation
Sifting
As an experiment, a student wanted to figure out how to obtain pure methanol from a mixture containing methanol and metal filings. Several methods would work, but which one would not?
Evaporation
Filtering
Magnetism
Distillation
A student would like to isolate the sugar from a sugar/water solution. Which method would work isolate the sugar?
Distillation
Magnetism
Filtering
Sifting
In a recycling centre, how could recycled glass bottles be separated from paper waste such as cardboard and shredded office paper?