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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 would you confirm that a colourless liquid given to you is pure water?
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?
Write an answer to the following question in your own words.
Which precaution will you take while using the methods of distillation and separation by separating funnel?
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.
Which of the following methods can be used to separate two compounds with different solubilities in the same solvent?
Alcohol can be separated from water by ______.
Assertion (A): Simple distillation can help in separating a mixture of propan-1-ol (boiling point 97°C) and propanone (boiling point 56°C).
Reason (R): Liquids with a difference of more than 20°C in their boiling points can be separated by simple 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.
What is distillation?
