OCCURRENCE OF METALS METALS AND NON-METALS 03 Class 10th Chemistry (Practice Sheet) 1 What is the primary source of metals on Earth? A. Water B. Air C. Earth's crust D. Minerals 2 Which metal is often found in its native or free state due to its non-reactive nature? A. Iron B. Gold C. Aluminium D. Sodium 3 What is the process of procuring metals from ores called? A. Mining B. Metallurgy C. Oxidation D. Corrosion 4 In which form do most metals occur in nature? A. Pure state B. Alloy C. Compounds D. Oxides 5 What term is used for natural materials containing metals or their compounds in the Earth? A. Ores B. Minerals C. Alloys D. Salts 6 What is metallurgy? 7 Differentiate between minerals and ores. 8 Which metal has the highest relative abundance in the Earth's crust? 9 What is the definition of ore? 10 Why are non-reactive metals like gold and silver found in the native state? Page 1 Email: Phone No: Website:
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