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CHHAYA PUBLICATION-SURFACE CHEMISTRY-WARM UP EXERCISE
- Define the Electro-osmosis .
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- Give an example each of an sol exhibiting cataphoresis and anaphoresis...
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- What do you mean by isoelectric point of colloid ? Mention one importa...
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- Why is a medicine in colloidal state found to be very effective ?
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- Addition of an excess solution of AgNO(3), to a solution of KI gives a...
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- Particles of Fe(OH)(3), sol produced in the hydrolysis of FeCl(3), are...
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- Why are lyophilic sols more stable than lyophobic sols?
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- What are protective colloids? Give an example.
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- Less the gold number of a lyophilic colloid, more is its protective po...
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- What do you mean by coagulation of a colloid? Write the Hardy-Schulze ...
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- Na(2)SO(4) is more effective than NaCl in the coagulation of Fe(OH)(3)...
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- Which of the following is required in least amount for the coagulation...
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- On applying alum to cuts and wounds, bleeding stops. Explain.
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- Why is delta formed at the confluence of the river with sea ?
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- Why does the colour of sky appear blue ?
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- What makes nanomaterial so special ?
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- State three applications of nanoparticle ?
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- What are the dimensions of the Nanotubes .
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- What are the dimensions of the Quantum dots
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- What are the dimensions of the Nanofilms.
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