Mixture Separation Methods

Which process would you use to separate solids that float from the remaining solids and other items that remain in a liquid mixture. The solids float to the top on their own or when stirred, and are then skimmed off the surface of the liquid.

• Evaporation

• Magnetic Attraction

• Filtration

• Floatation

• Sifting

Which process would you use to separate smaller solid particles from larger solid particles. A mixture of different sized solids is put into a container that has a screen material at the bottom with certain sized holes in it. The smaller particles go through the screen and the larger ones do not.

• Evaporation

• Magnetic Attraction

• Filtration

• Floatation

• Sifting

When we combined the sand and water together, it formed a _________.

• mixture

• solution

which method of separation is this ?

• decantation

• sedimentation

• winnowing

• sieving

When is handpicking used?

• to separate undesirable component when present in small

  amount.

• to separate grains from chaff

• to separate sediments

• to remove filter paper from the conical funnel

if we observe a construction site , what method of separation is used to attain very fine particles of soil ?

• handpicking

• sieving

• threshing

• winnowing

which method of separation is this and which type of separation is this ?

• decantation, solid-solid

• sedimentation, solid-liquid

• decantation, solid-liquid

• sedimentation, solid solid

____________is the method of separating heavier and lighter components of a mixture (* hint - solid - solid )

• sieving

• winnowing

• threshing

• sedimentation

which of the following method is used to separate tea-leaves from tea ?

• filteration

• sieving

• threshing

• winnowing

method of handpicking can be used if the impurity is __________________ enough to be picked out by hand

• large

• small

• hot

• cold