The sodium soap will precipitate all the hardness causing ions into their respective

Related MCQs

• Alkaline hardness is due to the presence of bicarbonate, carbonate and hydroxides of the hardness-producing metal ions.
• Electrodialysis is based on the fact that the ions present in saline water migrate towards their respective electrodes under the influence of applied                        
• The water which form lather directly with the soap is called                      
• In ion exchange process, the iron and manganese ions are removed from the water.
• When α, L and β phase fields touch the isotherm line what are the respective phase compositions?
• Why neutrons with lower energy should be capable of causing fission?
• Hardness of water is due to the presence of salts of                          
• Which of the following is not a unit of hardness?
• Hardness of water is conventionally expressed in terms of equivalent amount of
• How many grams of MgCO3 dissolved per litre gives 84 ppm hardness?