Why is it recommended performing a blank titration before the actual titration?

Which piece of glassware is used to measure the volume of the oxalic acid solution?

What precaution should be taken regarding the burette when titrating ${\mathrm{KMnO}}_4$ against oxalic acid?

Which indicator is commonly used in the titration of ${\mathrm{KMnO}}_4$ versus oxalic acid?

What is the purpose of using a white tile or paper underneath the flask during the titration?

What precaution should be taken regarding the burette during the titration of ${\mathrm{KMnO}}_4$ against oxalic acid?

What is the primary reason for using freshly prepared oxalic acid in the titration of ${\mathrm{KMnO}}_4$?

What is the endpoint of the titration of ${\mathrm{KMnO}}_4$ against oxalic acid?

Which of the following is not a chemical required for the titration of ${\mathrm{KMnO}}_4$ against oxalic acid?