Q. The colour of vapours formed on sublimation of iodine solid is 
  1. Purple (violet)
  2. Colourless
  3. Yellow
  4. Orange 

Q. Under which of the following conditions  we can boil water at room temperature?
(a) At low pressure   (b) At high pressure (c) At very hight pressure (d) At atmospheric  pressure 

Q. Which of the following does not affect rate of evaporation? 
(a) Temperature       (b) Pressure 
(Q Both (a) and (b)   (d) Atmospheric pressure

Dear student,

6.The color of vapours formed on sublimation of Iodine solid is Purple color(violet).
7.Under at atmospheric pressure condition we can boil water at room temperature.
8.Atmospheric pressure is not affect rate of evaporation.


Regards
Monalisa Behera(Meritnation Expert)

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