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15 questions

How is matter classified? Matter is classified by its physical properties.
What technique do scientist use to separate a liquid-liquid mixture? Scientist use a method called distillation to separate a liquid-liquid mixture. By using there melting points they are able to separate a liquid mixture form another mixture.
Solutions are mixtures that appear to be a single substance. What are some examples of a solution? Mixtures like lemoande powder and saltwater are solutions because its hard to see the small particles of salt in saltwater and sugar in lemonade powder
What is the difference between a homogeneous mixture and a heterogeneous mixture? A homogeneous mixture has the same uniform appearance and composition throughout while a heterogeneous mixture consists of visibly different substances or phases.
What class of mixtures is a suspension? A heterogeneous fluid. It contains particles large enough for sedimentation.
How do scientist separate mixtures based on density? By using a machine called a centrifuge that applies centrifugal force to its contents that separates fluids of different density.
What is a compound? A pure substance that is composed of two or more separate elements; a mixture.
How do scientist separate a larger particle- smaller particle mixture? Scientist use a method called filtration.
How do scientist separate metal-non-metal mixtures? Scientist use a magnet to separate non-metals from metals since non-metals wont be attracted by the magnet.
What technique will a scientist use to separate a liquid-gas mixture? Scientist use a process called chromatography.
What are alloys? A alloy is a partial or complete solid solution of one or more elements in a metallic matrix.
What type of mixture is a colloid? A combination of a homogeneous and heterogeneous mixture.
What is an example of a heterogeneous mixture? A bowl of Fruit Loops cereal is a heterogeneous mixture because it has cereal bits of many colors floating around in milk.
Created by: sbrian