MEDIUM
AP EAPCET
IMPORTANT
Earn 100
Which among the following sols are hydrophobic sols?
(i) Protein
(ii) Gold
(iii) Gum
(iv)
(ii) Gold
(iii) Gum
(iv)
50% studentsanswered this correctly
Important Questions on Surface Chemistry
EASY
AP EAPCET
IMPORTANT
Using Bredig's arc method, which of the following metallic sols cannot be prepared _______
MEDIUM
AP EAPCET
IMPORTANT
Identify the correct statements from the following
I) Protective power of a lyophobic colloid is expressed by gold number
II) Haemoglobin is a positively charged sol
III) Metal sols are prepared by peptization process
IV) Colloidal solution and true solution can be distinguished by Tyndall effect
