Multiple choices (21) 1, which of the following contains this formula: CO3? A Ca
ID: 116645 • Letter: M
Question
Multiple choices (21) 1, which of the following contains this formula: CO3? A Carbonates B Sulfides C Silicates D Oxides 2, which of the following contains this formula: S? A Carbonate B Sulfides C Silicates D Oxides Is react with acid? A calcite B quartz C biotite D muscovite 4, which of the two minerals have same cleavage but different color? A calcite B quartz C biotite D Muscovite 5, which of the minerals is harder than glass? A calcite B quartz C biotite D muscovite 6, which one describe the true color of the mineral? A luster B streak C effervescence D Color 7, which of the following is not a classification name based on composition? A felsic B mafic C intermediate D porphyriticExplanation / Answer
1)Carbonates
2) sulfides
3)calcite
Carbonate minerals such as calcite tend to fizz when tested with Hydrochloric Acid (HCl).
5)Quartz
harder than glass, Non-metallic, Hexagonal crystals; No cleavage planes; Conchoidal Fracture; Hardness greater than glass (H=7 on Moh’s scale).
6) Streak
shows the true colour of the mineral
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