A. increases
B. decreases
C. remain constant
D. increases then decreases

Correct Answer: Option B

B. decreases

Explanation

Surface tension or elasticity of a fluid decreases with increased in temperature

SEE ALSO  A piece of metal of mass 50g is cooled from 80°C to 20°C. Calculate the amount of heat lost. (specific heat capacity of the material of metal = 450Jkg‾¹K‾¹)

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