How do you separate petrol and kerosene?

Answer: A mixture of two miscible liquids having a difference in their boiling points of more than 25 °C can be separated by simple distillation. The mixture of kerosene and petrol is taken in a distillation flask with a thermometer fitted in this method.

How will you separate a mixture of two miscible liquids kerosene and petrol the difference in their boiling points is less than 25k explain?

Simple distillation can be used when the temperature difference between the boiling points of two miscible liquid is at least 25oC. The temperature difference between the boiling points of kerosene and petrol is 25oC. Hence, this mixture can be separated using simple distillation.

How is kerosene separated?

These two liquids can be separated by using a separating funnel. It will separate the immiscible liquids into two distinct layers depending on their densities. The heavier liquid forms the lower layer while the lighter one forms the upper layer. Kerosene has lower density than water and hence forms the upper layer.

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Which technique is used to separate salt from sea water?

Simple distillation is a method for separating the solvent from a solution. For example, water can be separated from salt solution by simple distillation. This method works because water has a much lower boiling point than salt. When the solution is heated, the water evaporates.

How can you separate two liquids that have less than 25K difference of boiling points?

Fractional distillation: Fractional distillation is used for the separation of a mixture of two or more miscible liquids for which the difference in boiling points is less than 25K.

How will you separate a mixture containing sand and sugar?

We will use filtration to separate a mixture of sand and sugar. Sugar dissolves in water but sand does not. These properties of sugar and sand allow them get separated by filtration.

What is the boiling temperature of petrol?

From the chemical composition viewpoint, petrol is a blend of hydrocarbons between C4 and C11, with boiling points between 25 and 210°C and in which we can find all types of hydrocarbons: paraffins, isoparaffins, olefins, aromatics, naphthenes, etc.

How is kerosene, oil and salt separated?

Because kerosene, oil, and water are incompatible liquids, they may be separated using a funnel. Water and salt can be separated via the crystallisation or evaporation processes. Crystallization is the formation of a solid in which the atoms or molecules are strongly ordered into a crystal structure.

How acetone is separated from water?

The mixture of water and acetone is separated by a process called Fractional Distillation. Fraction Distillation is a process of heating a mixture of two liquids which have a difference in their boiling points. The liquid which has less boiling point turns into vapours and the other liquid is left back.

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Why does water and kerosene not mix?

Hint: Kerosene is oil and water is a polar solvent. The insolubility of kerosene is due to the fact that like dissolves like and hydrocarbons and water both are unlike. … Also, Kerosene is lighter than water and floats on its surface rather than getting dissolved. Therefore, these are called immiscible liquid.

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