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प्रश्न
A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called ______.
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उत्तर
A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called fractional distillation.
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संबंधित प्रश्न
What are the characteristic properties of a pure substance? Why do we need them?
Classify the following materials as homogeneous mixtures and heterogeneous mixtures :
Soda-water, Wood, Air, Soil, Vinegar, Alcohol and water mixture, Petrol and water mixture, Chalk and water mixture, Sugar and water mixture, Copper sulphate solution.
What is meant by (i) homogeneous mixtures, and (ii) heterogeneous mixtures ? Give two examples of homogeneous mixtures and two of heterogenous mixtures.
Define the following:
Alloy
Name the components present in the following mixture:
Brass
Name two substances insoluble in water.
Write “true” or “false” for the following statement
Salt and air dissolved in water add taste to water.
Give a reason why sublimable and non-sublimable substances can be separated easily, but two sublimable substance cannot.
Differentiate between a homogenous and a heterogeneous mixture with one example of each in the (a) solid-solid (b) solid-liquid If (c) liquid-liquid state of the mixture.
Why do we need to separate different components of a mixture? Give two examples.
