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प्रश्न
Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink. _______
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उत्तर
Name the process which is responsible for the formation of droplets on the surface of a glass of cold drink Condensation.
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संबंधित प्रश्न
Why is water very precious for all living being ?
Give reason On opening a bottle of a cold drink, a fizz sound is heard.
Match the statements in column A with that in column B.
| Column A | Column B |
| (a) deliquescent substance | (1) sodium bicarbonate |
| (b) hygroscopic substance | (2) magnesium chloride |
| (c) efflorestance substance | (3) conc. sulphuric acid |
| (d) substance causing temporary hardness | (4) washing soda |
Explain how the peculiar variation of density of water with temperature can protect marine-life.
Select the correct answer of the following statement:
A drying agent placed in desiccator.
Give a balanced equation for the following conversion:
Potassium oxide to a strong alkali.
Give a reason for the following:
Efflorescence is minimum during humid conditions.
If, at some place, it did not rain for a very long period of time, what would be its effect on the life of the people there?
From where do the following usually get water? In which form is water present in them?
Plants
Look at the figure.
Write down activities shown in this figure in which water is being used.
