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Is Matter Around Us Pure
Give four properties each of a solution, a colloid and a suspension.
|
Property |
Solution |
Colloidal solution |
Suspension |
|
(1) Appearance
|
Homogeneous and transparent
|
Heterogeneous and transluscent |
Heterogeneous and opaque |
|
(2) Particle size
|
< 1 nm (10–7 cm)
|
1 nm—100 nm (10–7 cm—10–5 cm) |
> 100 nm (10–5 cm)
|
|
(3) Visibility
|
Particles are not visible even with a powerful microscope
|
Particles can be seen with a high power microscope
|
Particles can be seen with naked eyes
|
|
(4) Stability
|
Stable |
Stable
|
Unstable |
|
(5) Diffusion |
Diffuse rapidly NaCl dissolved in water |
Diffuse slowly Blood |
Do not diffuse Mud water |
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Which separation techniques will you apply for the separation of the following?
Sodium chloride from its solution in water.
Which separation techniques will you apply for the separation of the following?
Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
Which separation techniques will you apply for the separation of the following?
Small pieces of metal in the engine oil of a car.
Which separation techniques will you apply for the separation of the following?
Different pigments from an extract of flower petals.
Which separation techniques will you apply for the separation of the following?
Butter from curd.
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