As the humidity increases, the rate of evaporation ………….
A) increases
B) decreases
C) does not change
D) none of these
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Distinguish between boiling and evaporation of liquid.
Boiling of liquid Evaporation of liquid i. Boiling of liquid takes place at boiling point which is fixed for a given pressure and unique for a given liquid. Evaporation of liquid can take place...
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Explain evaporation in terms of kinetic energy of liquid molecules.
1. Molecules in a liquid are moving about randomly. 2. The average kinetic energy of the molecules decides the temperature of the liquid. 3. However, all molecules do not move with the...
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Rate of evaporation of a liquid depends on ………………….
all answer d is right
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Statement I : The rate of evaporation slows down as the water vapour increases in the air
option c is correct
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The rate of evaporation of the liquid is faster in ……………………
opt B saucer this is because rate of evaporation depends on factors like wind speed, temperature, and surface area. the sauser has a larger surface area and hence water evaporates faster.
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The rate of evaporation of the liquid is faster in ……………………
2 Answers
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i. Nonmetallic character increases from left to right across a period. ii. Nonmetallic character increases down a group.
i. True ii. False Nonmetallic character decreases down a group.
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The conjecture “If the perimeter of a rectangle increases then its area also increases” is
Correct option is B) False
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If humidity increases, then rate of evaporation of sweating over the body
Correct option is B) decreases
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A – In stage 2, death rate reduces but birth rate is constant. R – Population increases rapidly in stage 2.
(c) Both A and R are correct and R is the correct explanation of A.
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