It's going from a root to something else, so it would be a carrot, because a carrot is a root. just like potatoes, beets, and other vegetables of the like.
You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then mix the solution. describe what lab apparatus you would use and what safety precautions you must observe when completing this experiment.