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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
- The process of froth floatation and chromatography are based on :
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- Platinum is used as a catalyst in :
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- A catalyst in the finely divided from is most effective because :
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- A catalyst for reversible reaction is a substance that :
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- When a catalyst is added to a system the:
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- The colloidal system of liquid dispersed in solid is called .
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- The method of removing of soluble impurities of solutions is called
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- In physisorption, the molecules of adsorbate held to the adsorbent by
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- Is used to remove coloured matter from solution of sugar
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- Milk is an exmaple of—,
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- Lyophilic sols are more stable than lyophobic sols because
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- The rate of chemisorption
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- A colloidal system of two immiscible liquids is called
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- The adsorbtion power of an adsorbent can be increased by
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- Sols of S(8) and are example of colloids
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- Starch is an example of solution.
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- Ferric hydroxide solution has charge
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- Moisture is by silica gel
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- Ammonia is by water
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- Protective power of a lyophilic sol is expressed in terms of
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