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ICSE-SURFACE CHEMISTRY -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) ( SHORT ANSWER QUESTIONS)
- Define each of the following terms (i) Micelles (ii) Peptization (ii...
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- Distinguish between mutlimolecular, macromolecular and associated coll...
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- What are micelles ? Give an example of a micellers system.
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- Write three differences between true solutions and colloidal solutions...
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- How are the following sols produced ? (a) Sulfur sol (b) Collodion.
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- Explain briefly dialysis.
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- Explain the following terms: Electrodialysis
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- Explain the following terms: Phases of a colloidal solution.
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- Define Gold number.
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- Special type of filter papers are used for the filtration of colloidal...
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- Define coagulation.
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- Bleeding from a fresh cut can be stopped by applying alum. Give reason...
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- Briefly describe the Bredig's arc method for the preparation of lyopho...
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- What is Tyndall effect ? Mention one of its applications.
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- Explain what is meant by Tyndall effect ?
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- What happens when freshly precipitated Fe(OH)3 is shaken with small am...
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- Describe briefly the purification of a colloid by dialysis.
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- Explain the following terms: Tyndall effect
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- Explain the following terms: Dialysis
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- What is meant by an emulsion and emulsifying agents?
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