define surface tension
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It is a property of liquid by virtue of which the liquid tends to have minimum surface area...
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do u know the factors affecting it?
Temperature and impurities present on the surface of liquid effects surface tension
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Surface tension is a phenomenon in which the surface of a liquid, where the liquid is in contact with gas, acts like a thin elastic sheet. This term is typically used only when the liquid surface is in contact with gas (such as the air). If the surface is between two liquids (such as water and oil), it is called "interface tension."
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do u know the factors affecting it?
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As temperature decreases, surface tension increases. Conversely, as surface tension decreases strong; as molecules become more active with an increase in temperature becoming zero at its boiling point and vanishing at critical temperature. Adding chemicals to a liquid will change its surface tension characteristics.
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