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Is Matter Around Us Pure

Question

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Give four properties each of a solution, a colloid and a suspension.

Solution

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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