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

pls pake sagot ng tama​