Dilute hydrochloric acid is titrated against aqueous sodium hydroxide. At the start of the titration, dilute hydrochloric acid is added to a conical flask using a ...1... A few drops of methyl orange indicator are added to the dilute hydrochloric acid in the conical flask. Aqueous sodium hydroxide is added ...2... until the colour of the indicator just ...3... Which row completes the gaps 1, 2 and 3?

	1	2	3
A	burette	dropwise	disappears
B	burette	1 cm $^{3}$ at a time	changes
C	volumetric pipette	dropwise	changes
D	volumetric pipette	1 cm $^{3}$ at a time	disappears