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21 July, 12:03

5. Which of the following does not affect rate of evaporation?

O Wind speed

O Surface area

O Temperature

O Insoluble heavy impurities

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Answers (2)
  1. 21 July, 12:18
    0
    D

    Explanation:

    Insoluble impurities would not change the constituent of the substance. Soluble would for example salt water takes longer time for the water to become vapour when subjected to the same temperature that normal water.

    Wind would affect, the more windy the tendency for particles of the liquid to be moved into the atmosphere.

    With an increase in surface area, the evaporation rate increase. Take a clue from water placed on the ground and exposed to the atmosphere and that same quantity of water is placed in a cup. That on the floor would evaporate faster.

    Similarly the higher the temperature a substance is subjected to the easier is it's rate of evaporation. Take for instance water in a cup placed in the sun and that same placed in a room with mild temperatures than that of the sun. With time that in the sun decreases in volume faster than that in the room.
  2. 21 July, 12:23
    0
    Insoluble heavy impurities
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