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प्रश्न
Define Crystallisation
उत्तर
Crystallisation: Evaporation of liquid from a homogeneous liquid-solid mixture and collecting solid in the form of crystals is called crystallisation.
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संबंधित प्रश्न
Explain the term ‘sieving’. State the structure of a sieve and explain the separation of different sized particles by sieving.
State the technique involved in separating the following:
Rice powder from soil particles
State the technique involved in separating the following:
Large diamonds from very small diamonds
Give reasons for the following:
Two varieties of wheat flour cannot be separated by sieving.
Give reasons for the following:
Both components of a soluble solid-liquid mixture cannot be recovered by evaporation.
What is sieving? Where is it used?
______ is used to separate gravel from the sand at a construction site.
Pure rava, when adultered with wheat flour, is separated by ______.
While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?
Husk from wheat flour is generally removed by ______.
