Question

Why is haemoglobin positively charged sol?

Answer 1

Hemoglobin positively charged sol because the reason for coagulation to not occur is HEPARIN

a natural anticoagulant that is produced by Basophiles and Mast cells in the body. Positively charges sols are AL(OH)3,FE(0H)3, CR(OH)3 etc or aluminum hydroxide, ferus oxide etc. these are totally based on chemical reactions and all.