Flashcards
Insoluble Mixtures Separation Techniques Outcomes
Cards in this deck (16)
- 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.