Advertisements
Advertisements
प्रश्न
Give balanced equation to show how temporary hardness enters into water.
Advertisements
उत्तर
Temporary hardness: Enters in water when rain water containing CO2 falls on earth and combines with limestone [CaCO3] & magnesite [MgCO3] layers forming respective soluble bicarbonates.
\[\ce{CaCO3 + H2O + CO2 -> \underset{\text{Cal. bicarbonate}}{Ca[HCO3]2}}\]
\[\ce{MgCO3 + H2O + CO2 ->\underset{\text{Magnesium bicarbonate}}{Mg[HCO3]2}}\]
APPEARS IN
संबंधित प्रश्न
Name the compound responsible for temporary hardness.
Boiling removes the ................ hardness of water.
What do you understand by
Soft water
Differentiate between Temporary & permanent hard water with suitable examples.
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.
State the causes of hardness in water.
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.
Write a note on ion exchange.
What is the reason for the hardness of water?
