Advertisements
Advertisements
प्रश्न
What is the effect on boiling point of water when impurity is added.
उत्तर
Any impurity present in water lowers its freezing point and raises its boiling point.
For example, salt is added to ice to lower its melting point. Such a mixture is called a freezing-mixture. The melting is called a freezing mixture is about -15° C.
APPEARS IN
संबंधित प्रश्न
Give two examples of hydrated substances.
What do you observe when Washing soda is exposed to air ?
Define the Soft water.
Define the Hard water.
Temporary hardness of water can be removed by
What do you understand by
Hard water
Explain with equation, what is noticed when permanent hard water is treated with Washing soda.
How will you distinguish between soft water and hard water?
Give balanced equation to show how temporary hardness enters into 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.
