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प्रश्न
Water is colourless, odourless and _______.
उत्तर
Water is colourless, odourless and tasteless.
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संबंधित प्रश्न
Give reason of Carbonated drinks are bottled under high pressure.
Use of excessive .................... by farmers causes water pollution.
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 is the importance of dissolved impurities in water?
Select the correct answer of the following statement:
A solution which can pass through a filter paper but not through a semipermeable membrane.
Give a balanced equation for the following conversion:
Potassium oxide to a strong alkali.
Name one substance which is ‘deliquescent’.
Name or state the following:
A deliquescent salt of a trivalent metal.
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.
