Advertisements
Advertisements
प्रश्न
Give two natural sources of hard water.
Advertisements
उत्तर
Two natural sources of hard water :
- Water from springs
- River water.
APPEARS IN
संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Give two examples of hydrated substances.
Name the compound responsible for permanent hardness of water.
Suggest one method for the removal along with the reaction for temporary hardness.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you distinguish between hard and soft 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.
Temporary hardness of water can be removed by ________ of water.
What are the methods of removing hardness of water?
