Which of the following is not true about the emulsion? (a) Emulsion can be broken into constitue...

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Which of the following is not true about the emulsion?
(a) Emulsion can be broken into constituent liquids by heat, freezing
(b) Emulsion of oil in water is generally unstable
(c) Emulsion do not show the Tyndall effect
(d) They show brownian motion
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