Mechanical Ways of Separating Mixtures

What method of separating mixtures will you use if you want to remove small shells in a ground coffee?

• sieving

• filtering

• evaporation

• decantation

Which of the following mixtures use filter cloth to separate solid from a liquid extract?

• flour with stones

• baby powder with pebbles

• powder chalk with seeds

• milk from grated coconut

How will you separate the calamansi seeds from calamansi juice?

• by sieving

• by filtering

• by sedimentation

• by picking

Which of these examples show evaporation process as technique of separating mixtures?

• drying of water on the table

• flooding of water in the river

• cooling of water in the refrigerator

• freezing of water in the ocean

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

It is a process of separating mixtures which involves heating and leaving the solid residue in a container?

• evaporation

• distillation

• precipitation

• sedimentation

Your mother asked you to cook dried fish for lunch and you accidentally mixed the oil with water. What method will you use to separate the mixture?

• magnetization

• decantation

• evaporation

• filtration

How can decantation method be useful to everyday life?

• it help us become more productive

• it gives us satisfaction to our everyday living

• it is just an ordinary technique

• it helps us make our everyday living more efficient and easier

How will you separate mixture of metal and nonmetal objects?

• by decanting

• by winnowing

• by picking

• by magnetizing

Which of the following can be separated by picking?

• oil and water

• marbles and pebbles

• rice and chaff

• needle and woodchips

Which of the following is TRUE about winnowing as a

separation technique?

• It is used to remove slightly larger impurities like pieces of dirt, stones and husk from wheat and rice.

• It is used to remove weevils or other pests from stored grain.

• It is done by removing a layer of liquid, generally one from which a precipitate has settled.

• Coarse particles are separated or broken up by grinding against one-another.