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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 is the effect on boiling point of water when impurity is added.
Define the Soft water.
Suggest one method for the removal along with the reaction for temporary hardness.
Boiling removes the ................ hardness of water.
State the disadvantages of using hard water.
How will you distinguish between soft water and hard water?
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you prove the advantage of detergent over soap.
Explain the meaning of the terms – hard water & soft water.
Permanent hardness of water is due to the presence of _______.
