4. A drop each of two non-corrosive and non-irritating liquids A and B at a temperature of 22°C are placed on the skin. Liquid A gives a more cooling sensation than liquid B. Which of the following can be said about the liquids A and B? (1) Liquid A has higher boiling point than that of liquid B (2) Liquid A has higher latent heat of vaporisation than that of liquid B (3) Liquid A has lower latent heat of vaporisation than that of liquid B (4) The boiling points of liquid A and B are equal
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A drop each of two non-corrosive and non-irritating liquids A and B at a temperature of 22
o
C are placed on the skin. Liquid A gives a more cooling sensation than liquid B.
Liquid A has a higher latent heat of vaporization than that of liquid B. Due to this, more heat is absorbed from body during vapourisation of liquid A than during vapourisation of liquid B.
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1
Answer:
Option 2 is correct
Explanation:
Correct option is (2)
Liquid A has a higher latent heat of vaporization than that of liquid B. Due to this, more heat is absorbed from body during vapourisation of liquid A than during vapourisation of liquid B.
Hence, the correct option is (2)
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