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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 is a mixture ? Give two example of mixtures.
Which of the following is not a mixture ?
Three mixtures A, B and C are obtained by stirring three different solids in water taken in separate beakers. When mixture A is allowed to stand for some time, then its particles settle at the bottom of the beaker. When a beam of light is passed through mixture A in a dark room, the path of light becomes visible when observed from the side of the beaker. When mixture B is allowed to stand for a considerable time, even then its particles do not settle down. Mixture B, however, scatters the beam of light just like mixture A. The particles of mixture C do not settle down on keeping and it also does not scatter a beam of light passing through it.
What are the mixtures like A known as ?
What are the mixtures like B known as ?
What are the mixtures like C known as ?
Name the phenomenon exhibited by A and B which occurs on passing a beam of light through them.
Name one mixture each which is like (i) A (ii) B, and (iii) C.
Define the following:
Heterogeneous mixture
Give two examples of the following type of mixture.
solid-liquid
Why do we need pure substances?
Explain the term mixtures.
State whether the following statement is true or false. If false write – the correct statement.
Sodium chloride and water is an example of a mixture of elements and compounds.
Mixtures are impure substances.
Write scientific reason.
Lemon sherbet has a sweet, sour and salty taste, and it can be poured into a glass.
