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Insoluble Mixtures Separation Techniques Outcomes

Sean Sacriz Science HSC Inglés 16 fichas

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1What is decanting?When you pour off top layer of settled suspension.
2What is sieving?Using device with holes to separate different sized substances in a mixture.
3What is centrifugation?Spinning unsettled suspension at high speeds to settle it out.
4What is filtration?Using device with very fine pores to separate different sized substances.
5Benefits of decanting?Simple and easy to do.
6Limitations of decanting?Can only be used on settled suspensions.
7Benefits of sieving?Simple and easy to do.
8Limitations of sieving?Can only be used on different sized substances where only 1 can fit into the hole.
9Benefits of centrifugation?One of the few ways to settle out a suspension that may never settle.
10Limitations of centrifugation?Hard to do, can only be used on unsettled suspensions.
11Benefits of filtration?Useful when a suspension can't be separated using gravity.
Easy to do.
12Limitations of filtration?Can only be used when one substance can fit in the holes, and the other can't.
13Examples of decanting?Pouring off water from vegetables.
Pouring wine into container, leaving sediment behind.
14Examples of sieving?Used to ensure only rocks of correct size go into rock crusher.
To grade soil by size for classification.
15Examples of filtration?To separate coffee grounds from filter coffee.
To separate dust from air using mask filter.
16Examples of centrifugation?Spin cycle of washing machine.
Salad spinners to dry washed lettuce.