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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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संबंधित प्रश्न
What is the effect on boiling point of water when pressure is increased?
What do you observe when Washing soda is exposed to air ?
Define the Soft water.
Define the Hard water.
Suggest one method for the removal along with the reaction for permanent hardness of water.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Give reason for the following:
Washing soda can be used to remove both temporary and permanent hardness in water.
Fill in the blank:
Hard and soft water can be distinguished using _____.
State the causes of hardness in water.
Two samples of water are placed in a beaker individually. State how you will determine experimentally which of the two samples contains permanent hard water.
