EASY
AP EAPCET
IMPORTANT
Earn 100

Using Bredig's arc method, which of the following metallic sols cannot be prepared _______

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Important Questions on Surface Chemistry

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