Question

the dissolution of iced tea powder in water is

Explanation:

Dissolving iced tea powder in water is a physical change. A chemical reaction involves the formation of new substances with different chemical properties. When iced tea powder dissolves in water, the tea powder molecules disperse in the water but no new chemical substances are formed. Reactants and products are terms associated with chemical reactions. Since this is a physical process (dissolution), it is not a chemical reaction.

Answer:

A. not a chemical reaction