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प्रश्न
Give a scientific reason.
A wet cloth is wrapped around a water storage container in summer.
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उत्तर
A wet cloth is wrapped around water containers in summers to keep the container and the water inside it cool. The water present in the cloth evapourates and along with that water, the heat also evapourates thus keeping the container and water cool.
संबंधित प्रश्न
How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25°C), which are miscible with each other?
Give a brief description of the principle of the following technique taking an example.
Distillation
Define :- Distillation
Write an answer to the following question in your own words.
Where are the methods of separation by distillation and by separating funnel used? Why?
Methyl alcohol and water
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Choose the correct option.
A mixture of acetone and benzene can be separated by the following method:
Define Distillation
Two liquids (A) and (B) can be separated by the method of fractional distillation. The boiling point of liquid (A) is less than boiling point of liquid (B). Which of the liquids do you expect to come out first in the distillate? Explain.
Explain the factors, which will affect the rate of evaporation, taking examples from our daily life experiences.
A mixture of benzene and chloroform is separated by ______.
