1. What are two types of pure substances? A. Compounds and mixtures B. Elements and mixtures C. Elements and compounds D. Homogeneous and heterogeneous mixtures 2. An element is a pure substance which is composed of only A. One type of molecule B. One type of atom C. Heterogeneous mixtures D. Homogeneous mixtures
3. The image shown is an example of _____________. A. Solution B. Suspension C. Mixture D. Pure substance
4. A compound is a pure substance which is composed of A. Only one type of atom B. Only one type of element C. More than one type of element D. Two or more component substances which retain their own identifying properties
5. Which of the following is an example of a homogeneous mixture? A. Salt C. Water B. Sugar D. Sugar-water solution
6. A mixture that has a different composition throughout. A. Homogeneous B. Heterogeneous C. Solid D. Liquid
7. What type of mixture is an ocean? A. Homogeneous B. Heterogeneous C. Pure substances D. Mixture
8. Which of the following is a homogeneous mixture? A. Orange juice B. Halo-halo C. Fruit salad D. Dingdong nut mix
9. Which of the following is a heterogeneous mixture? A. Sandwich B. Milkshake C. Coffee D. Chocolate
10. Which of the following is NOT an element? A. Water B. Oxygen C. Nitrogen D. Hydrogen
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