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Which graph present the variation of surface tension with temperature over small temperature ranges for coater.

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Which graph present the variation of surface tension with temperature over small temperature ranges for coater.

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Correct option: (B)

Explanation:

ST = S0 (1 – ∝T)

ST = surface tension at temp T°C

So = surface tension at temp 0°C

∝ = Temperature coefficient of surface tension

Hence surface tension decreases with increase in the temperature.

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