Explain how the phenomenon of adsorption finds application in each of the following processes:
(i) Production of vacuum (ii) Heterogeneous catalysis (iii) Froth floatation process

Explain how the phenomenon of pdsorption finds application in each of the following processes : (i) Production of vacuum (ii) Heterogeneous catalysis (iii) Froth Floatation process

(a) A colloidal sol is prepared by the given method in figure. What is the charge of AgI colloidal particles in the test tube ? How is the sol formed, represented? (b) Explain how the phenomenon of adsorption finds application in Heterogeneous catalysis. (c) Which of the following electroytes is the most effective for the coagulation of Fe(OH)_(3) sol which is a positively charged sol? NaCI, Na_(2)SO_(4), Na_(3)PO_(4)

Give one main application of each of the following: (i) MRI(ii) Ultrasound (iii) ECG

Describe the following processes: (i) dialysis (ii) Electrophoresis (iii) tyndall effect

(a) Write the principle involved in the vapour phase refining of metals. (b) Write the name of the metal refined by each of the following processes : (i) Mond process (ii) van Arkel method (c ) What is the role of depresent in froth floatation process ?

Describe the principle controlling each of the following processes: (i) Vapour phase refining of titanium metal. (ii) Froth floatation method of concetration of a sulphide ore

Which of the following statements is correct about the role of substances addedd in the froth floatation process?

Which of the following statements is correct about the role of substances addedd in the froth floatation process?

Giving a chemical equation for each, illustrate the following processes : (i) Acetlyation (ii) Decarboxylation

Describe the principle involved in each of the following processes : (i) Zone refining of a metal (ii) Vapour phase refining of metals