Answer to Question #52248 in Physical Chemistry for vi
separate the components of liquid air
refine crude oil
test the purity of a substance
separate methanol and water
15 Angstrom is a unit of ___________.
16 Which one of the following can be separated by adding water, stirring and filtering?
Salt and copper sulphate
Salt and sugar
Copper and tin
Sulfur and sugar
17 In order to dissolve the greatest amount of sugar in a cup of water, you should __________.
use sugar crushed into small pieces, and heat the water
use sugar crushed into small pieces, and cool the water
use sugar in large pieces, and heat the water
use sugar in large pieces, and cool the water
18 Convert 10 kg to mg.
19 Distillation can be used to separate ______________.
a soluble solid from a solution
a liquid from a solution
a solid from a solid
an insoluble solid from a solution
20 The S.I basic unit for luminous intensity is
16. Salt and sugar
17. use sugar crushed into small pieces, and heat the water
18. 10,000,000 mg
19. a liquid from a solution
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The mole fraction of He in a gaseous solution prepared from 4.0 g of He, 6.5 g of Ar, and 10.0 g of Ne is _