Question

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Answer 1

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The use of stopper in the separating funnel is to separate the two immiscible liquids. We use stopper to stop the flow of lighter immiscible liquid to flow it into the container kept at bottom .

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$\bf \green{ \pink{\dag} Aim\:Of\: Activity:-}$

❒ To separate a mixture of water and kerosene.

$\bf \green{ \pink{\dag} Materials\: Required:-}$

❒ A seperating funnel.

❒ Oil

❒ Water

❒ A beaker

$\bf \green{ \pink{\dag} Procedure:- }$

❒ Take a separating funnel with stopper closed.Take some oil and water and your it into the separating funnel. Mix them . a

Allow them to rest for sometime . Open the stopper slowly and allow water to come down in the beaker. as the level of oil reaches immediately close the the opening with stopper.

$\bf \green{ \pink{\dag} Observation:- }$

❒ Oil and water being immiscible which each other get separated after sometime and water being heavier comes at the bottom.

$\bf \green{ \pink{\dag} Conclusion:- }$

❒ Hence we can separate two immiscible liquids here oil and water with the help of a separating funnel.

Answer 2

The Function Of Stopper In A Separating Funnel:

Generally Made Of Glass, The Funnel Has A Conical Body, A Glass Or Teflon Stopcock To Control The Release Of Solution From The Bottom Of The Funnel And The Glass Or Teflon Stopper At The Top. The Stopper Has To Be Removed In Order To Release The Liquid From The Funnel.

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