Science, asked by amayanayak1600, 4 months ago

mention different methods for removal of permanent hardness of water. explain any two ​

Answers

Answered by InnocentWizard
33

Answer:

A few methods to remove hardness from water are, Chemical Process of Boiling Hard Water. Adding Slaked Lime (Clark's Process) Adding Washing Soda.

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Answered by Anonymous
0

Explanation:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north).

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