Science, asked by sanskarvarshney47, 11 months ago

give chemical reaction of permanent hardness of water.

Answers

Answered by Prefeena

There are two types of water hardness, temporary and permanent. Permanent hardness is due to calcium and magnesium nitrates, sulphates, and chloridesetc. This type of hardness cannot be eliminated by boiling.

sanskarvarshney47: I want equation

Prefeena: what type u need

sanskarvarshney47: for example mg+o2 gives out 2mgo

sanskarvarshney47: this type please help me

Prefeena: ok

Prefeena: Chemical Equations. The balancedchemical equation for the first part of the reaction is Mg3N2(s) + 6H2O(l) → 3Mg(OH)2(s) + 2NH3(g). With heat added, the equation for the final step of the reaction is Mg(OH)2(s) → MgO(s) + H2O(l).

sanskarvarshney47: thanks

Prefeena: ur wlcm

Answered by aivgnak2002

Washing soda Na2co3.10h2o

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