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milk , separating colloids and organic substances
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∙ 12y ago
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How can substances be separated?
gas-liquid, paper, or column chromatography are some examples
What substances can be separated into simpler substances only by chemical means?
A compound can only be separated into elements by chemical means.
What separates substances out of the blood?
Blood is typical separated by a centrifuge. This is a device which rotates the blood in a tube at a sufficient speed so that sedimentation causes its particles to separate from their suspension. When rotation stops, the substances settle toward the bottom according to density, leaving three major distinct stripes: plasma, white blood cells, and red blood cells.
How do i separate an insoluble substance?
Insoluble substances can be separated from the solution (liquid) by centrifugation. If a centrifuge is not available, one can just let it sit and allow gravity to do the job. Of course, this will not separate individual substances that are insoluble from each other.
What is separated into pure substances by a physical method?
false
How can blood be separated by centrifuge?
During the centrifuge based on their size/ molecular weight it will be separated.
Why are milk and fruit juices not considered pure substances?
They are aqueous solutions of various compounds in water, so they consist of many separate pure substances. Many of these can be separated by simple physical means (filtering, evaporating, centrifuge).
What are some substances that can be separated into simpler substances only by chemical means?
Compound substances.
What instruments is used to spin liquids to separated compounds?
A centrifuge is used to spin liquids into separate components.
Can mixtures be separated and how?
Yes, mixtures can be separated with a centrifuge, and mixed liquids and powders can be separated by different evaporation techniques.
What physic property of substances makes it possible to separate a mixture by spinning at high speed?
Density allows a mixture to be separated by centrifugation.
A mixture of fine sand and water could be separated by?
Using a centrifuge to separate by density.
What are some substances that can separated by a filter?
Sand, coffee grains and undissolved sugar all in water can be separated by a filter.
You rapidly swirl a mixture of substances with different densitites in a centrifuge what will happen?
Substances with greater densities will be pulled to the bottom of the test rube.
Can carbon dioxide and oxygen be separated by physical means?
Yes, a high speed gas centrifuge can do it.
How can substances be separated?
gas-liquid, paper, or column chromatography are some examples
Double strand DNA separation from single strand DNA in centrifuge?
The two strands can not be separated mechanically.
