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प्रश्न
Complete the following chart by writing appropriate words in the boxes marked (a) to (e).
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उत्तर
- Solid
- Gaseous
- Well
- Lake
- Ice
APPEARS IN
संबंधित प्रश्न
Why is water essential for life?
Give reason for Silica gel pouches are kept in unused water bottle.
Give reason of Alcohol is mixed with water and is used in car radiator.
Use of excessive .................... by farmers causes water pollution.
Give one word for the following statement:
A mixture of common salt and ice .
What is the smallest particle of water ? Describe it’s structure.
Explain how the peculiar variation of density of water with temperature can protect marine-life.
Which property of water enables it to modify the climate?
Explain why:
If distilled water is kept in a sealed bottle for a long time, it leaves etchings on the surface of the glass.
Define
Henry's law
What are stalgmites and stalactites? How are they formed?
State what is potable water. Give its qualities or characteristics which make it fit for human consumption.
Give the importance of dissolved air – in water.
Fill in the blank:
Unpolluted water has _____ amount of dissolved oxygen.
State the causes of ‘eutrophication’.
______ plays a vital role in the evolution and survival of life.
Rivers from land, add minerals to seawater. Discuss how?
State whether the following statement is True or False. If false, write the correct statement.
Ice is solid whereas snow is the semi-solid form of water
Why should we not throw used tea leaves into sink?
