Which of the following is not a physical method of separation?
b) Distillation
c) Electrolysis
d) Chromatography
Please answer. I'll pick the best answer for 10 points!! =)
Answer:
Crystallization.Becos it dun involves separating anything.It just changes state from liquid to solid.
a)?
Chromatography, because it doesn't make any difference from the original thing or liquid or gas. It is liquid and it stays liquid because the chromatograhy paper only soaks up little of the liquid to make little dots on the paper.
C
(a) is a physical transformation that can be used for separating the soluble species from a solvent ..
(b) is a physical evaporation that is used for separating two or more liquids with different vapor pressure...
(d) is a physical method based on the permeability of species through a membrane...
but
(c) is a electrochemical method for decomposition of compounds using external current.
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