Temporary hardness is due to...

Temporary hardness is due to

`Ca(HCO_3)_2`

`CaCl_2`

`CaSO_4`

`MgSO_4`

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Temporary hardness is due to presence of carbonates of calcium and magnesium

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Soap is the sodium salt of a long chain fatty acid, Sodium salt stearic acis is soluble in water, whereas calcium and magnesium salts are insoluble, so when soap is added to soft water, it dissolves and forms lather readily. Temporary hardness in water can be easily removed by boiling. Permanent hardness can be removed by the addition of washing soda, Calgon process, ion exchange process. The degree of hardness of a sample of water containing 6 mg of magnesium sulphate (other salts are absent) per kilogram of water is

Temporary hardness of water is due to the presence of of _ _ _ _ _ calcium and magnesium in water.

Temporary hardness of water can be removed

Temporary hardness of water is removed in Clark's process by adding

(A) : Temporary hardness can be removed by boiling hard water (R) : On boiling hard water bicarbonates of calcium and magnesium are converted to insoluble carbonates

100kg of a water sample contains 6g of magnesium sulphate, 10.2g of calcium sulphate and 16.2 g of calcium bicarbonate only. Calculate permanent hardness, temporary hardness and total hardness.

Temporary hardness of water can be removed (A) By Clark.s process (B) By Boiling water

Which salts are responsible for temporary hardness? Explain the removal of temporary hardness.

Temporary hardness is due to

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