Advertisements
Advertisements
प्रश्न
A sample of water is given in a trough. State how would you prove experimentally whether the given sample is hard water or soft water.
उत्तर
On adding ordinary soap in the sample and shaking if this water gives lather easily it is soft water otherwise it is hard water.
APPEARS IN
संबंधित प्रश्न
Give reason for It is difficult to cook in hills compared to plain.
Define the Hard water.
Name the compound responsible for permanent hardness of water.
Suggest one method for the removal along with the reaction for permanent hardness of water.
Name three water borne diseases.
What do you understand by
Hard water
Explain the permutit method for softening hard water.
Give reason for the following:
Hardness in temporary water can be removed by boiling, but hardness in permanent hard water cannot.
Give two natural sources of hard 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.
