Question

explain why Mercury does not wet the glass surface​

Answer 1

hiii mate

$answer$

T͟h͟i͟s͟ i͟s͟ a͟l͟l͟ b͟e͟c͟a͟u͟s͟e͟ o͟f͟ f͟o͟r͟c͟e͟ o͟f͟ a͟d͟h͟e͟s͟i͟o͟n͟ b͟e͟t͟w͟e͟e͟n͟ t͟h͟e͟ m͟o͟l͟e͟c͟u͟l͟e͟s͟ i͟n͟ w͟h͟i͟c͟h͟ t͟h͟i͟s͟ i͟s͟ m͟o͟r͟e͟ o͟r͟ l͟e͟s͟s͟ t͟h͟a͟n͟ f͟o͟r͟c͟e͟s͟ o͟f͟ c͟o͟h͟e͟s͟i͟o͟n͟.

In mercury , the force of adhesion between the molecules and glass is less than the forces of cohesion , a͟s͟ c͟o͟r͟o͟l͟l͟a͟r͟y͟ t͟o͟ t͟h͟a͟t͟ ,m͟e͟r͟c͟u͟r͟y͟ d͟o͟e͟s͟ n͟o͟t͟ w͟e͟t͟ t͟h͟e͟ g͟l͟a͟s͟s͟ s͟u͟r͟f͟a͟c͟e͟

Hope it helps ☺️

Answer 2

hello mate ur answer.

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When liquid water is confined in a tube, its surface (meniscus) has a concave shape because water wets the surface and creeps up the side. Mercury does not wet glass - the cohesive forces within the drops are stronger than the adhesive forces between the drops and glass.

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#hope it help u...

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