Trinity conducted a science experiment using household products. She put a drop of a substance on a piece of litmus paper and it turned blue. What is the most probable substance that Trinity tested?
a. water
b. orange juice
c. baking soda
d. vinegar

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.