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Electrolytic Refining

Why are Metal...

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Why are Metal Sols. Such as Gold Sol. Negetively Charged?

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Metal sols are negatively charged.

Q. When negatively charged colloid-like

A s_{2} S_{3}

sol is added to +vely charged

F e (O H)_{3}

sol in suitable amounts:

Correct statement(s) are:

Q. When iron hydroxide colloidal sol which is positively charged, and colloidal gold which is negatively charged are mixed, which of the following observation is correct?

Q. Which of the following is/are negatively charged sol?

Q. Assertion :Gold sol prepared by reduction method is negatively charged. Reason: The negative charge is due to the adsorption of negatively charged

A u O_{2}^{-}

ions on dispersed phase particles.

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