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प्रश्न
Define
Henry's law
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उत्तर
Henry's law: At any given temperature, the mass of a gas dissolved in a fixed volume of a liquid or solution is directly proportional to the pressure on the surface of a liquid.
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संबंधित प्रश्न
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 |
Give one word for the following statement:
The gaseous form of water found in air .
What will happen if the total supply of potable water is finished?
Answer in your own words.
Why is there a shortage of water even though it occupies about 71% of the earth’s surface?
Give a reason for the following:
Efflorescence is minimum during humid conditions.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?
A man travelling on a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.
Why should we not throw cooking oil and fats down the drain?
