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Occurrence of Metals and Non-metals in Nature

Chemistry ⇒ Metals and Non-metals

Occurrence of Metals and Non-metals in Nature starts at 6 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Occurrence of Metals and Non-metals in Nature. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
Describe the difference between minerals and ores with respect to the occurrence of metals.
Describe the occurrence of carbon in nature.
Describe the occurrence of phosphorus in nature.
Explain why chlorine is not found in the free state in nature.
Explain why metals like iron and aluminium are not found in the free state in nature.
Explain why noble gases are found in the free state in nature.
Explain why sodium and potassium are never found in the free state in nature.
Name the most abundant non-metal in the universe.
Which of the following is a metalloid commonly found in the Earth's crust? (1) Silicon (2) Sodium (3) Iron (4) Chlorine
Which of the following is a non-metal that exists as a diatomic molecule in nature? (1) Sulphur (2) Nitrogen (3) Carbon (4) Phosphorus
Which of the following is NOT a non-metal? (1) Sulphur (2) Carbon (3) Aluminium (4) Phosphorus
Which of the following is the chief ore of iron? (1) Bauxite (2) Hematite (3) Galena (4) Cinnabar
Fill in the blank: The main source of copper in nature is the ore called __________.
Fill in the blank: The main source of lead in nature is the ore called __________.
Fill in the blank: The main source of magnesium in nature is the mineral called __________.
Fill in the blank: The main source of mercury in nature is the ore called __________.
State whether the following statement is true or false: 'All non-metals are found in the gaseous state in nature.'
State whether the following statement is true or false: 'Gold is found in the combined state in nature.'
State whether the following statement is true or false: 'Hydrogen is found in the free state in the Earth's atmosphere in large quantities.'
State whether the following statement is true or false: 'Metalloids are found only in the combined state in nature.'