The only positive ion found in h2so4(aq) is the
(1) ammonium ion (3) hydroxide ion
(2) hydronium ion (4) sulfate ion

i would say b

explanation:

but i think i would need more information than that

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.