For standardizing NaOH solution, which of the following is used as a primary standard ?
Ferrous Ammonium Sulfate
dil. HCl
Oxalic acid
Sodium tetraborate
As we have learned @940
Oxalic acid is used as a primary standard for NaOH standardizing
Option 1)
Ferrous Ammonium Sulfate
Option 2)
dil. HCl
Option 3)
Oxalic acid
Option 4)
Sodium tetraborate
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