Question

what is the effect on surface tension of molten copper on increasing its temperature ?​

Answer 1

Answer:

As the temperature increases, viscosity decreases. Surface tension decreases with increase in the temperature

Explanation:

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Answer 2

Surface Tension:

"Surface tension is the tension in a liquid's surface film induced by the bulk of the liquid's attraction to the particles in the surface layer, which tends to minimize surface area."

The effect on the surface tension of molten copper on increasing its temperature is as follows:

Because the molecular force of attraction between liquid molecules reduces as temperature increases, surface tension falls with an increase in temperature.