A drop of petrol makes a finger colder than a drop of water would because?
A
petrol takes its latent heat of veporization from the finger
B
petrol takes its latent heat of fusion from the finger
C
water is more viscious than petrol
D
water has higher surface tension dan petrol
Verified Correct Answer: A.
Physical Principles & Numerical Solution
This process occurs as the petrol evaporates, drawing heat away from the skin and causing a cooling sensation.
Source: Myschool Past Questions Archive (Record #13852)