Which substances are incorrectly placed in the following table?
$\begin{matrix} L i q u i d - L i q u i d m i x t u r e s & L i g h t e r l i q u i d & H e a v i e r l i q u i d (a) & O l i v e o i l a n d w a t e r & O l i v e o i l & W a t e r (b) & B e n z e n e a n d C a r b o n - t e t r a c h l o r i d e & B e n z e n e & C a r b o n - t e t r a c h l o r i d e (c) & W a t e r a n d K e r o s e n e O i l & W a t e r & K e r o s e n e O i l (d) & A l c o h o l a n d w a t e r & A l c o h o l & W a t e r \end{matrix}$

Liquid - Liquid mixtures: Olive oil and water
Lighter liquid: Olive oil
Heavier liquid: Water

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Liquid - Liquid mixtures: Benzene and Carbon tetrachloride
Lighter liquid: Benzene
Heavier liquid: Carbon tetrachloride

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Liquid - Liquid mixtures: Kerosene oil and water
Lighter liquid: Water
Heavier liquid: Kerosene oil

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Liquid - Liquid mixtures: Alcohol and water
Lighter liquid: Alcohol
Heavier liquid: Water

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Solution

The correct option is C Liquid - Liquid mixtures: Kerosene oil and water
Lighter liquid: Water
Heavier liquid: Kerosene oil
A separating funnel is used to separate two immiscible liquids based on their densities. Here, the density of water is higher than the density of oil and oil floats on the top and water settles at the bottom. A stopcock can be used to pour out the water and then the oil.

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Identify D.

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