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WorksheetsS1 Chemistry - Methods of Separation
Total questions: 12
Worksheet time: 6mins
Which of the following is a mixture?
Salt
Water
Air
Hydrogen
What is the difference between a mixture and a compound?
Mixtures can be separated physically; compounds must be separated chemically
Mixtures are homogeneous
Compounds have no elements
Mixtures cannot be separated
Which of the following is a pure substance?
Milk
Water
Soil
Air
How can you separate a mixture?
By heating it
By adding more solute
By physical methods like filtration or distillation
By mixing it more
Which method is used to separate a solid from a liquid?
Evaporation
Distillation
Filtration
Chromatography
What does evaporation separate from a liquid?
Solute
Solvent
Both
None
What is distillation used for?
Separating liquids with different boiling points
Filtering solids
Evaporating a solution
Mixing substances
Which method can be used to obtain fresh water from seawater?
Filtration
Evaporation
Distillation
Chromatography
Which technique separates substances based on their solubility?
Filtration
Chromatography
Distillation
Evaporation
What is chromatography used to separate?
Solid particles
Liquids with different boiling points
Substances dissolved in a liquid
Gas mixtures
What is an advantage of chromatography?
It works with any type of solution
It requires no equipment
It separates only pure substances
It separates components based on size
Which of these is a common application of chromatography?
Separating gases
Purifying water
Identifying dyes in ink
Separating metal ores
