Suggest some ideas to save rainwater in your school.

टिप्पणी लिखिए

Create awareness about the benefits of Rainwater Harvesting.
Collect excess water by placing huge plastic drums.
Install aerators on taps. Aerators reduce the amount of water flowing from the tap by up to 50%.
Install rainwater tanks. Then connect the tanks to toilets or to the garden.

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अध्याय 2: Water - Try to Answer [पृष्ठ ७४]

अध्याय 2 Water
Try to Answer | Q 2 | पृष्ठ ७४

Give reason of Carbonated drinks are bottled under high pressure.

Use of excessive .................... by farmers causes water pollution.

Describe the water-cycle in nature.

State whether the given statement are true or false. If true, write the reason.
Ganga−Brahmaputra plain of India is an overpopulated region.

Explain why:

Fused CaCl₂ or conc. H₂SO₄ is used in a desiccator.

The water in a lake is called ground water.

What happens when a spoonful of sugar, sawdust, and soil are added to a glass of water?

Match the following

Rivers from land, add minerals to seawater. Discuss how?

Look at the figure.

Write down activities shown in this figure in which water is being used.