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प्रश्न
Give reason for It is difficult to cook in hills compared to plain.
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उत्तर
Water boils at a lower temperature in the hills, where the atmospheric pressure is lower than in the plains. This is why it takes a longer time to cook in hilly regions.
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Removal of Hardness of Water
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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
Name the compound responsible for permanent hardness of water.
What do you understand by
Hard water
What are the advantages of soft water.
What are the advantages of hard water.
How will you distinguish between soft water and hard water?
Differentiate between Hard & soft water with suitable examples.
State the causes of hardness in water.
Give two natural sources of hard water.
What is the reason for the hardness of water?
