Which of the following is not a property of colloid?
a) Colloids are not big enough to scatter the beam of light.
b) Colloids do not settle down when left undisturbed.
c) The size of particles of a colloid is too small to be individually seen by naked eyes.
d) a colloid is quite stable.
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Letter A is the answer.
Explanation:
A colloid is a heterogeneous mixture. The size of particles of a colloid is too small to be individually seen by naked eyes. Colloids are big enough to scatter a beam of light passing through it and make its path visible. They do not settle down when left undisturbed, that is, a colloid is quite stable.
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