Looking for classes? Ksquare Career Institute, Bengaluru →
In which of the sols, the colloidal particles are with negative charge?
A
Hydrated $Al_2O_3$
B
$TiO_2$
C
Haemoglobin
D
Starch
Detailed Solution
Starch sol carries negatively charged colloidal particles. (Hydrated $Al_2O_3$ and haemoglobin form positively charged sols; $TiO_2$ sol particles are also positively charged.)