Question

(iv) Write the Aim, Substances Used, Principle, Procedure for separating Oil mixed in water​

Answer 1

Answer:

Fix a separating funnel in a stand.

Pour about 50ml of a mixture of oil and water through a filter funnel into a separating funnel.

Close the separating funnel using a lid.

Take the funnel from the stand and invert it.

Now shake the funnel gently and slowly.

Now, open the stopcock of the separating funnel to release the pressure inside the funnel.

Place the funnel in the stand and allow the two liquids to separate completely.

Take a beaker and place it below the separating funnel and open the lid of the separating funnel.

Open the stopcock of the separating funnel and pour the lower layer of water carefully into the beaker.

Close the stopcock of the separating funnel as the oil reaches the separating funnel.

Place another beaker below the separating funnel to collect oil from the separating funnel.

Answer 2

The separating funnel technique is used to separate two or more liquid which are present ine undissolved form

Explanation:

Aim: to separate oil and water from its mixture

Substance required: separating funnel, a beaker , the mixture of oil and water

Principle: the principle is that two immiscible liquid of different density occupy two different parts of the solution

Procedure: the two liquids are made to settle. Hence due to the change in the density of the two substances the oil occupies the top part and the water occupies the bottom part first then they are slowly separated by using the the screw of the tab and separating the mixture.

To know more,

what is the technique of seperation of seperation funnel

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