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What is “aquadag”?

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in Chemistry – Class 12 by (188k points)
What is “aquadag”?

(a) Colloidal solution of graphite in water

(b) Colloidal solution of oil in water

(c) Colloidal solution of silver in water

(d) Colloidal solution of gold in water

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Right answer is (a) Colloidal solution of graphite in water

The explanation is: Aquadag is the trade name of a colloidal solution of graphite in water. It is mainly used as a conductor and a lubricant. On the other hand, a colloidal solution of oil in water is called as “oildag” and a colloidal solution of gold in water is called “Purple of Cassius”.

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