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प्रश्न
Answer the following question.
Suggest three ways to conserve water.
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उत्तर
Three ways to conserve water:
(a) Rain-water harvesting
(b) Reducing wastage of water
(c) Replenishing ground water by promoting afforestation
संबंधित प्रश्न
What is the major source of fresh water in the city/town/village where you live?
Give one word for the following statement:
The harmful substances dissolved in water .
What is the effect of impurities present in the water on the melting point and boiling point of water?
Why is it said that seawater is useful even though it is not potable?
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.
Household detergents contain mainly ______ and pollute water bodies.
Name one substance which is ‘deliquescent’.
Water changes to ice at ______.
Water is colourless, odourless and _______.
