separation of substances

------------------------------ is the process of separating heavier and lighter components of a mixture

• handpicking

• threshing

• winnowing

• sieving

in construction sites, people use similar sieves to separate pebbles and stones from -------------------

• mud

• water

• flour

• sand

when is decantation done

• after evaporation

• after distillation

• after sedimentation

• after filtration

Jisny is writing a class test. she knew all the answers but she got confused in the last question. the last question was to select a incorrect answer. Can you help her by choosing the incorrect answer ?

• a solution is one in which no more of that substance can be dissolved .

• evaporation is the process in which a liquid is converted to its vapor.

• husk is separated from heavier seeds of grain by winnowing.

• none of the above

what name is given to the solid left on the filter paper ?

• the filtrate

• the resident

• the product

• the residue

what is the correct meaning of solubility

• can dissolve more solute

• is an other name for filtrate

• amount of solute that can dissolve in a given amount of solvent

• none of the above

which of the following is false

• a mixture of milk and water can be separated by filtration

• grain and husk can be separated with the process of decantation.

• separation of sugar from tea can be done with filtration

• all of the above

sieving is used when component of a mixture have -----------------------------

• same sizes

• all sizes

• different sizes

• heavier and lighter substances

separating the insoluble suspended solids of various sizes from a liquid is called

• evaporation

• decantation

• sedimentation

• filtration

The components of a solution can be separated by -

• filtration

• evaporation

• sedimentation

• decantation