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Comment on artificial rain....

Comment on artificial rain.

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It is possible to cause artificial rain by throwing electrified sand or straying a solution carrying change opposite to the on clouds from an aeroplane.
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AAKASH SERIES-SURFACE CHEMISTRY-Objective Excersice - 4 (ASSERTION (A)& REASON (R ) TYPE QUESTION)
  1. Comment on artificial rain.

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  2. (A) De-emulsification is a reverse process of emulsion formation (...

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  3. (A) Adsorption is endothermic (R ) Adsorption process is accormpan...

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  4. (A) A gas with higher critical temperature is adsorbed more than a gas...

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  5. (A) SO(2) gas is easily liquified while H(2) is difficult to liquify ...

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  6. (A) Adsorption is a surface phenomenon. ( R) Adsorption is an exothe...

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  7. (A) Physisorption is not specific. (R ) Physisorption involves Vand...

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  8. (A)Milk is a naturally occuring stable emulsion . (R ) Milk is an exam...

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  9. (A)Same reactants give different products with different catalysts. ...

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  10. (A)Charcoal is a good adsorbent (R ) Charcoal has highly porous str...

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  11. (A)Water vapours are absorbed by anhydrous calcium chloride (R ) Ab...

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  12. (A)Enthalpy of physical adsorption is lower than chemical adsorption ...

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  13. (A)The reaction of oxalic acid with acidified KMnO(4) first slow and t...

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  14. (A)In Haber's synthesis, the rate of formation of NH(3) is increased b...

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  15. (A)Catalyst increases the rate of reaction. (R ) Catalyst functions...

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  16. (A)A catalyst does not alter the equilibrium constant of a reaction ...

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  17. (A) NH(3) adsorbs more readily over activated charcoal than CO(2) (...

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  18. (A) : Gases between themselves cannot form a colloidal solution. (R)...

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  19. (A) Colloidal sols scatter light while true solutions do not. (R ) ...

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  20. (A) Colloidal particles show Brownian Movement (R ) Brownian movemen...

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  21. (A) A colloidal sol of As(2)S(3) is coagulated faster by 0.1 M BaCl(2)...

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