why do the words ‘shake well before using’ indicate that the fruit juice in a carton is a suspension?

Because some of the particles in a suspension are large enough that they will settle out over time

"Shake well before use" is acommon reminder (in the form ofdirections typed on the pharmacylabel, an auxiliary label, or verbalinstructions) given by pharmacists topatients who receive oral suspensions.

Why do the words “Shake well before using” indicate that the fruit juice is a suspension?

Because some of the particles in a suspension are large enough that they will settle out over time.