CH-438
Separation and purification
Chemistry · Secondary 3 · Medium · Separation and purification
A mixture of oil and water is placed in a separating funnel and allowed to stand. Which statement describes how to obtain the oil?
- Open the tap and collect the first liquid that flows out.
- Drain off the lower layer of water, then close the tap to keep the oil.
- Shake the funnel and drain all the liquid quickly.
- Heat the funnel so that only oil evaporates.
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