3 TYPES OF DESCRIPTIONS EXAMPLES HOMOGENEOUS (2 for each type) MIXTURES 1. 1. 2. 2. 1. 2. 3. 1. 2.

7. A student combines pure NaCl (sodium chloride) with pure DI water. The resulting is an example of:     a. homogeneous mixture          b. heterogeneous mixture     c. pure substance                         d. suspension

C and D please answer it all with solutions

A teacher tells students to describe physical properties of 10 mL of vinegar and 10 mL of milk. When the students finish listing the physical properties in their science notebooks, the teacher pours the vinegar and milk into the same beaker. The students are surprised to see a white solid substance form within the beaker as the two substances are combined. 13 What occurs within the beaker as the teacher mixes the vinegar and milk? A A chemical change that produces a precipitate B A physical change that creates a new substance C A physical combination that produces a solid D A corrosive reaction between two liquids 14 Before going to school, a student cuts a ripe apple into six slices and places them in a plastic bag. During lunch, the student observes that the apple slices now have brown spots. Which of the following indicates a chemical change in the apple? F Cutting the apple into six slices G Changing color of the apple H Placing the slices in a plastic bag J Removing brown spots…