Sci6 Separating Mixtures

This method is used to separate metals from non metals.

• use of magnet

• physical manipulation

• sieving

• chromatography

This method is used in separating soluble solid from a liquid such as salt from water.

• evaporation

• distillation

• decantation

• filtration

Linda is cooking rice for dinner. Her mother asked her to washed the rice grain before she put it into fire. What separation of mixtures she should use?

• Evaporation

• Distillation

• Chromatography

• Decantation

Which technique use to separate substances that have been dissolved in water?

• Decantation

• Physical Manipulation

• Evaporation

• Chromatography

A heterogeneous mixture can be separated by all of the following methods

EXCEPT ____

• A. filtration

• B. decantation

• C. distillation

• D. mechanical separation

A technique used to separate homogeneous mixtures where there is one or more dissolved substance.

• sieving

• filtration

• decantation

• evaporation

Useful in mining iron and in many process industries to remove metal contaminants from product streams.

• using magnet

• decantation

• handpicking

• sieving

This type of separating mixture separates the solid particles called residue and liquid substance called filtrate.

• sieving

• handpicking

• filtration

• using magnet

Which is useful in removing rice hulls from newly milled rice?

• fans

• inclined table shaker

• magnet

• suction pumps

why would gold powder sink at the bottom of pan while other sediments are swirled with the water?

• gold is not soluble in water

• gold is much heavier than sand

• gold powder gets strained through the porous rocks

• gold is attracted bu a magnet at the bottom of the pan