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Which of the following are found in Earth's crust mainly as oxides, sulphides and carbonates?
- a)Metals above in the activity series
- b)Metals in the middle of the activity series
- c)Metals at the bottom of the activity series
- d)All of these
Correct answer is option 'B'. Can you explain this answer?
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Which of the following are found in Earths crust mainly as oxides, sul...
The metals in the middle of the activity series (Zn, Fe, Pb, etc.) are moderately reactive. They are found in the earth's crust mainly as oxides, sulphides or carbonates. Thus, option B is correct.
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Which of the following are found in Earths crust mainly as oxides, sul...
Metals in the middle of the activity series
Metals in the middle of the activity series are found in Earth's crust mainly as oxides, sulphides, and carbonates. These metals have moderate reactivity and are commonly found in the form of compounds rather than in their pure elemental state.
1. Metals in the middle of the activity series:
Metals such as iron, zinc, copper, lead, and nickel are found in the middle of the activity series. These metals have moderate reactivity and are commonly found in the Earth's crust as compounds. They form oxides, sulphides, and carbonates due to their ability to react with oxygen, sulphur, and carbon dioxide respectively.
2. Oxides:
Metals in the middle of the activity series readily react with oxygen to form oxides. For example, iron reacts with oxygen to form iron oxide (Fe2O3), which is commonly known as rust. Similarly, copper reacts with oxygen to form copper oxide (CuO) and lead reacts with oxygen to form lead oxide (PbO).
3. Sulphides:
Metals in the middle of the activity series also react with sulphur to form sulphides. For example, iron reacts with sulphur to form iron sulphide (FeS), zinc reacts with sulphur to form zinc sulphide (ZnS), and copper reacts with sulphur to form copper sulphide (CuS).
4. Carbonates:
Metals in the middle of the activity series can also react with carbon dioxide to form carbonates. For example, zinc reacts with carbon dioxide to form zinc carbonate (ZnCO3) and copper reacts with carbon dioxide to form copper carbonate (CuCO3).
These metals are commonly found in the Earth's crust as compounds because their reactivity allows them to readily react with other elements and form stable compounds. This is why they are mainly found as oxides, sulphides, and carbonates in the Earth's crust.
Overall, metals in the middle of the activity series are found in the Earth's crust mainly as oxides, sulphides, and carbonates.
Metals in the middle of the activity series are found in Earth's crust mainly as oxides, sulphides, and carbonates. These metals have moderate reactivity and are commonly found in the form of compounds rather than in their pure elemental state.
1. Metals in the middle of the activity series:
Metals such as iron, zinc, copper, lead, and nickel are found in the middle of the activity series. These metals have moderate reactivity and are commonly found in the Earth's crust as compounds. They form oxides, sulphides, and carbonates due to their ability to react with oxygen, sulphur, and carbon dioxide respectively.
2. Oxides:
Metals in the middle of the activity series readily react with oxygen to form oxides. For example, iron reacts with oxygen to form iron oxide (Fe2O3), which is commonly known as rust. Similarly, copper reacts with oxygen to form copper oxide (CuO) and lead reacts with oxygen to form lead oxide (PbO).
3. Sulphides:
Metals in the middle of the activity series also react with sulphur to form sulphides. For example, iron reacts with sulphur to form iron sulphide (FeS), zinc reacts with sulphur to form zinc sulphide (ZnS), and copper reacts with sulphur to form copper sulphide (CuS).
4. Carbonates:
Metals in the middle of the activity series can also react with carbon dioxide to form carbonates. For example, zinc reacts with carbon dioxide to form zinc carbonate (ZnCO3) and copper reacts with carbon dioxide to form copper carbonate (CuCO3).
These metals are commonly found in the Earth's crust as compounds because their reactivity allows them to readily react with other elements and form stable compounds. This is why they are mainly found as oxides, sulphides, and carbonates in the Earth's crust.
Overall, metals in the middle of the activity series are found in the Earth's crust mainly as oxides, sulphides, and carbonates.
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Which of the following are found in Earths crust mainly as oxides, sulphides and carbonates?a)Metals above in the activity seriesb)Metals in the middle of the activity seriesc)Metals at the bottom of the activity seriesd)All of theseCorrect answer is option 'B'. Can you explain this answer?
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Which of the following are found in Earths crust mainly as oxides, sulphides and carbonates?a)Metals above in the activity seriesb)Metals in the middle of the activity seriesc)Metals at the bottom of the activity seriesd)All of theseCorrect answer is option 'B'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which of the following are found in Earths crust mainly as oxides, sulphides and carbonates?a)Metals above in the activity seriesb)Metals in the middle of the activity seriesc)Metals at the bottom of the activity seriesd)All of theseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following are found in Earths crust mainly as oxides, sulphides and carbonates?a)Metals above in the activity seriesb)Metals in the middle of the activity seriesc)Metals at the bottom of the activity seriesd)All of theseCorrect answer is option 'B'. Can you explain this answer?.
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Which of the following are found in Earths crust mainly as oxides, sulphides and carbonates?a)Metals above in the activity seriesb)Metals in the middle of the activity seriesc)Metals at the bottom of the activity seriesd)All of theseCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Which of the following are found in Earths crust mainly as oxides, sulphides and carbonates?a)Metals above in the activity seriesb)Metals in the middle of the activity seriesc)Metals at the bottom of the activity seriesd)All of theseCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Which of the following are found in Earths crust mainly as oxides, sulphides and carbonates?a)Metals above in the activity seriesb)Metals in the middle of the activity seriesc)Metals at the bottom of the activity seriesd)All of theseCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
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