In which of the following sols are the colloi | vedclass

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(D) The charge on colloidal particles is determined by the nature of the dispersed phase and the dispersion medium. Based on standard chemical classif

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Starch

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(D) The charge on colloidal particles is determined by the nature of the dispersed phase and the dispersion medium. Based on standard chemical classifications:$1$. Hydrated $Al_{2}O_{3}$ is a positively charged sol.$2$. $TiO_{2}$ is a positively charged sol.$3$. Haemoglobin is a positively charged sol.$4$. Starch is a negatively charged sol.Therefore,the correct option is $D$.

In which of the following sols are the colloidal particles negatively charged?

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