Quick science question! need instant !

a scoop of baking soda is added to a beaker containing vinegar. the baking soda disappears and bubbles are observed. this is an example of a change.
a) chemical
b) ionic
c) phase
d) physical

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule