Mention two instruments that could be used to transfer sodium hydroxide solution into conical flask

Pipette and Burettes

Explanation:

The two instruments that can be used for

a) Pipette - It is used to dispense measured volume of any liquid into any other equipment. Pipette works on the concept of creating a partial vacuum to take in the liquid and then release the volume to dispense the liquid.

b) Burettes - It has a stopcock that regulate the release of liquid. It is larger than the pipette and works as a graduated cylinder.