Identifying types of scientific investigations a teacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids? the type of liquid is the= the ph is the.= if you know this tell me i need to pass this class