What is an acid in chemistry?

Ineed to find the answer of this question because i dont understand it

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?