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CHHAYA PUBLICATION-SURFACE CHEMISTRY-Question-Answer Zone for Board Examination
- Sulfur exhibits Brownian movement in water but not in carbon disulphid...
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- Classify as homogeneous or heterogeneous catalysis: Hydrogenation of o...
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- Classify as homogeneous or heterogeneous catalysis: Hydrolysis of aque...
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- You are given two solutions, one of which is a concentrated solution o...
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- What are the dispersed phase and dispersion medium in foam?
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- Give an example of an anionic surfactant and a cationic surfactant.
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- What do you mean by the statement-'Gold number of starch is 20'?
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- Which type of emulsions are vanishing cream, butter, milk, cod liver o...
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- Write any two methods of de-emulsification.
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- By making use of which colloidal property can the Avogadro's number be...
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- What is aquadug?
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- Differentiate between colloid and crystalloid.
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- How can you distinguish between a true solution and a colloidal soluti...
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- Give two distinguishing features of chemisorption which cannot be seen...
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- Why is physisorption not an independent phenomenon?
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- Which experiments can help us to determine the charge on sol particles...
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- Why is desorption important for a substance to act as a good catalyst?
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- What will happen if KCl is added to a positively charged ferric oxide ...
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- Between BaCl(2) or KCl which one is more effective for the coagulation...
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- What will happen if a few drops of HCl is added to freshly prepared pr...
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