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Explain the following observations: (a) Ferric hydroxide sol. Gets coagulated on addition of sodium chloride solution. (b) Cottrell’s smoke precipitator is fitted at the mouth of the chimney used in factories. (c) Physical adsorption is multilayered, while chemisorptions is monolayered.

Explain the following observations: (a) Ferric hydroxide sol. Gets coagulated on addition of sodium chloride solution. (b) Cottrell’s smoke precipitator is fitted at the mouth of the chimney used in factories. (c) Physical adsorption is multilayered, while chemisorptions is monolayered.

Grade:upto college level

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