Advertisements
Advertisements
प्रश्न
Permanent hardness of water is due to the presence of _______.
विकल्प
sulphates and chlorides
dust particles
carbonates and bicarbonates
other soluble particles
Advertisements
उत्तर
Permanent hardness of water is due to the presence of sulphates and chlorides.
APPEARS IN
संबंधित प्रश्न
What is the effect on boiling point of water when impurity is added.
Name the compound responsible for permanent hardness of water.
Suggest one method for the removal along with the reaction for temporary hardness.
Suggest one method for the removal along with the reaction for permanent hardness of water.
Name three water borne diseases.
How will you distinguish between soft water and hard water?
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.
