Interpretation: The Tyndall effect needs to be explained.
Concept Introduction: A colloid can be defined as a heterogeneous substance (non-crystalline) where large molecules or particles of a substance are dispersed through another substance. In a colloid, particles do not settle and the separation of particles of one substance from other cannot be done by filtering or centrifuging process.
Explanation of Solution
In a colloid, particles scatter the beams of light directed at them. This phenomenon of scattering of light by colloidal particles is known as the Tyndall effect. This effect can also be exhibited by a very fine suspension. This is a property of colloid and to verify whether a given solution is colloid or not can be used.
Chapter 15 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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