1. 2.1 Quiz #2 Glucose = CHO Glucose = C 6 H 12 O 6 1. How many different types of elements are in glucose? 2. How many total atoms make up one molecule of glucose? 3. Yes or no, the element helium a pure substance? 4. Yes or no, distilled water a pure substance? 5. Yes or no, sea water a pure substance? 6. Is beef vegetable soup homogeneous or heterogeneous? 7. Is sugar dissolved in water homogeneous or heterogeneous? 8. Is salt mixed with pepper homogeneous or heterogeneous? 9. Is oil mixed with water miscible or immiscible? 10. Is vinegar mixed with water miscible or immiscible?

2. 2.1 Quiz #2 Indigo = CHNO Indigo = C 16 H 10 N 2 O 2 1. How many total atoms make up one molecule of indigo? 2. How many different types of elements are in indigo? 3. Yes or no, distilled water a pure substance? 4. Yes or no, sea water a pure substance? 5. Yes or no, the element Neon a pure substance? 6. Is chicken noodle soup homogeneous or heterogeneous? 7. Is salt dissolved in water homogeneous or heterogeneous? 8. Is salt mixed with pepper homogeneous or heterogeneous? 9. Is oil mixed with vinegar miscible or immiscible? 10. Is vinegar mixed with water miscible or immiscible?

3. 2.1 Quiz #2 Indigo = CHNO Indigo = C 16 H 10 N 2 O 2 1. How many total atoms make up one molecule of indigo? 2. How many different types of elements are in indigo? 3. Yes or no, tapwater a pure substance? 4. Yes or no, sea water a pure substance? 5. Yes or no, the element helium a pure substance? 6. Is beef vegetable soup homogeneous or heterogeneous? 7. Is sugar dissolved in water homogeneous or heterogeneous? 8. Is salt mixed with pepper homogeneous or heterogeneous? 9. Is oil mixed with water miscible or immiscible? 10. Is coffee mixed with water miscible or immiscible?