Choices AD AD WANG SECONDS 9- Directions: Read and understand each item and choose the letter of the correct answer. Place all your answers on a separate sheet of paper.
1. Which of the following properties may vary for different samples of a given mineral? A color C. luster B. hardness D. streak
2. Which minerals has a resinous luster? A calcite C. quartz B. diamond D. sulphur
3. Which of the following is a physical property of minerals? A chemical make-up C. fracture B. bonding formation D. viscosity
4. Which carbonate mineral reactsreadilywith cool, dilute hydrochloric acid to produce visible bubblesof carbon dioxide gas? A Calcite C. Plagioclase B. Gypsum D. Quartz
5. What is the hardest known mineral on earth? A Diamond C Native gold B. Muscovite D. Silicate
6. Which common mineralis composed entirely of silicon and oxygen? A Calcite C. Olivine B. Diamond D. Quartz
7. What characteristics of a mineralrefers to resistance to abrasion? A. cleavage C. luster B. hardness D. streak
8. Which mineralis easily soluble in waterat room temperature conditions? A Diamond C. Olivine B. Halite D. Talc
9. Which element is the most abundant in the Earth's crust byweight? A Carbon C. Oxygen B. Chlorine D. Sodium
10. Which one of the following is NOTtrue for minerals? A Theymay beliquid, solid, orgas form B. Theyhave a specific, internal, crystalline structure. C.they have a specific predictable chemical composition D.they can be identified by charteristicphysical properties
