The buffer used in the EDTA solution must have the PH of                        

Related MCQs

• To prepare EDTA solution                     grams of EDTA is dissolved in the one litre of water.
• The indicator used in the EDTA method is
•                    drops of indicator is used in the EDTA method.
• EDTA method for hardness determination is a less accurate and inconvenient procedure.
• EDTA method is also called as                    
• The electrolytic solution used in a hydrogen-oxygen fuel cell is                          
• Total hardness of water can be determined by titrating the fixed volume of water against the standard                        solution.
• The standard hard water is prepared such that each ml must contain                  mg of CaCO3.
• Adsorption process must be
• The lowest temperature to which the fuel must be preheated so that it starts burning smoothly is called              temperature.