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H2S gas is passed through a solution of ...

`H_2S` gas is passed through a solution of X to obtain a colloidal solution of `As_2S_3`. Name X.

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`As_2O_3`
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U-LIKE SERIES-SURFACE CHEMISTRY-VERY SHORT ANSWER QUESTIONS
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  2. Why does the white precipitate of silver halide become coloured in the...

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  3. Why are some medicines more effective in the colloidal form ?

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  4. What causes Brownian movement in colloidal solution ?

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  5. How is Brownian movement responsible for stability of sols ?

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  6. Name a phenomenon associated with surface chemistry.

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  7. Name the species which concentrates at the surface.

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  8. Name one adsorbent.

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  9. Name the process of removing an adsorbed substance from the surface on...

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  10. Both the adsorption and absorption can take place on a surface. What i...

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  11. Is adsorption an exothermic or endothermic phenomenon ?

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  12. Give the name of a kind of adsorption isotherm.

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  13. Name the catalyst used to evolve oxygen by heating potassium chlorate.

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  14. What type of substances enhance the activity of a catalyst for the rea...

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  16. Name the substance which are good shape-selective catalysts because of...

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  17. Name the process for the manufacture of ammonia from nitrogen and hydr...

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  18. Name a catalyst used in the manufacture of sulphuric acid by contact p...

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  19. H2S gas is passed through a solution of X to obtain a colloidal soluti...

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  20. Name the process of removing dissolved substance from a colloidal solu...

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