Question

surce of
lways ha
Activity
2.2
SHora
Let us sain divide the class into four
groups - 5. C and D
Distribute the following samples to
0 1 11
Homponents
e different
2.1
Few crystals of copper sulphate to
group А.
One spatula full of copper
sulphate to group B.
Chalk powder or wheat flour, to
group cals 510
Few drops of milk or Ink to
group
D.
Each group should add the given
sample in water and stir properly using
a class rod. Are the particles in the
mixture visible?
Direct a beam of light from a torch
through the beaker containing the
mixture and observe from the front.
Was the path of the beam of light
roups A
visible? Da + stru
leren!
afe and
Leave the mixtures undisturbed for a
few minutes and set up the filtration
apparatus in the meantime). Is the
mixture stable or do the particles begin
to settle after some time?
Filter the mixture. Is there any residue
on the filter paper?
Discuss the results and form an
opinion
Groups A and B have got a solution
ated
Group C has got a suspension-582401
e other
Group D has got a colloidal solution.
I ME AND Us Pur?​

Answer 1

Answer:

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