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Surface Chemistry Important Questions List
Class 12th Surface chemistry
Q. Name the type of potential difference produced between the fixed charged layer and diffused layer having opposite charges around the colloidal particle.
Q. Difference between physiosorption and chemisorptions?
Q. what is colloidion?
Q. difference between peptization and cogulation?
Q. factors affecting 111q1qq1qqq1qqq1qq111q11qq1qqqqqq1qqqqq111.(greator charge greator coagulation).
Q. why colloidal is used to prepare medicine or injection.?
Q. Give reason:-
Cottrell’s smoke precipitator is fitted at the mouth of chimney.
Why sky appers blue in colours.
A freshly precipitate [Fe(OH)3] can be converted into a colloidal sol. By shaking it with FeCl3 or NaCl.
Passing electric current in colloidal sol.[what is electrophoresis?]
Difference between multimolecular and macromolecular collids. Give one example of each. How are these two types of colloids different from associated colloids.
Difference between lyophobic and lyophilic and which is coagulate easily?
Tyandall effect or passing of beam of light in colloidal sol.
Defne and example of each 1. Aerosol 2. Hydrosol 3. Emulsion
Define shape selective catalyst with example.
Why adsorption having –ve enthalpy?
How delta formed.?
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