EASY
AP EAPCET
IMPORTANT
Earn 100
The role of a catalyst in a reversible reaction is
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Important Questions on Surface Chemistry
MEDIUM
AP EAPCET
IMPORTANT
Which among the following sols are hydrophobic sols?
(i) Protein
(ii) Gold
(iii) Gum
(iv)
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
