IIT JAM Exam > IIT JAM Questions > Identify the mineral which has specific gravi...
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Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.
- a)Barite
- b)Sphalerite
- c)Graphite
- d)Galena
Correct answer is option 'D'. Can you explain this answer?
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Identify the mineral which has specific gravity > 5, hardness <...
Galena is the most common mineral containing lead.
Color - Steel-gray
Streak - Steel-gray
Hardness - 2.5 - 3
Specific Gravity - 7.4 - 7.6
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Identify the mineral which has specific gravity > 5, hardness <...
Identifying the Mineral with Specific Gravity 5, Hardness 3, and Grey Streak
To identify the mineral with specific gravity 5, hardness 3, and a grey streak, we need to analyze the given options and compare their properties with the given information. Let's examine each option and determine the correct mineral.
Option A: Barite
- Specific Gravity: Barite has a specific gravity ranging from 3.5 to 4.5, which is lower than the given value of 5.
- Hardness: Barite has a hardness of 3 to 3.5, which matches the given value.
- Streak: Barite typically has a white streak, not a grey streak.
Option B: Sphalerite
- Specific Gravity: Sphalerite has a specific gravity ranging from 3.9 to 4.1, which is lower than the given value of 5.
- Hardness: Sphalerite has a hardness of 3.5 to 4, which is slightly higher than the given value.
- Streak: Sphalerite usually has a brown streak, not a grey streak.
Option C: Graphite
- Specific Gravity: Graphite has a specific gravity ranging from 1.9 to 2.3, which is significantly lower than the given value of 5.
- Hardness: Graphite has a hardness of 1 to 2, which is lower than the given value.
- Streak: Graphite has a black streak, not a grey streak.
Option D: Galena
- Specific Gravity: Galena has a specific gravity of approximately 7.4, which is higher than the given value of 5.
- Hardness: Galena has a hardness of 2.5, which is lower than the given value.
- Streak: Galena has a grey streak, which matches the given information.
Conclusion:
Based on the analysis of the given options, it can be determined that the mineral with a specific gravity of 5, hardness of 3, and a grey streak is Galena (Option D).
To identify the mineral with specific gravity 5, hardness 3, and a grey streak, we need to analyze the given options and compare their properties with the given information. Let's examine each option and determine the correct mineral.
Option A: Barite
- Specific Gravity: Barite has a specific gravity ranging from 3.5 to 4.5, which is lower than the given value of 5.
- Hardness: Barite has a hardness of 3 to 3.5, which matches the given value.
- Streak: Barite typically has a white streak, not a grey streak.
Option B: Sphalerite
- Specific Gravity: Sphalerite has a specific gravity ranging from 3.9 to 4.1, which is lower than the given value of 5.
- Hardness: Sphalerite has a hardness of 3.5 to 4, which is slightly higher than the given value.
- Streak: Sphalerite usually has a brown streak, not a grey streak.
Option C: Graphite
- Specific Gravity: Graphite has a specific gravity ranging from 1.9 to 2.3, which is significantly lower than the given value of 5.
- Hardness: Graphite has a hardness of 1 to 2, which is lower than the given value.
- Streak: Graphite has a black streak, not a grey streak.
Option D: Galena
- Specific Gravity: Galena has a specific gravity of approximately 7.4, which is higher than the given value of 5.
- Hardness: Galena has a hardness of 2.5, which is lower than the given value.
- Streak: Galena has a grey streak, which matches the given information.
Conclusion:
Based on the analysis of the given options, it can be determined that the mineral with a specific gravity of 5, hardness of 3, and a grey streak is Galena (Option D).
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Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.a)Bariteb)Sphaleritec)Graphited)GalenaCorrect answer is option 'D'. Can you explain this answer?
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Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.a)Bariteb)Sphaleritec)Graphited)GalenaCorrect answer is option 'D'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.a)Bariteb)Sphaleritec)Graphited)GalenaCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.a)Bariteb)Sphaleritec)Graphited)GalenaCorrect answer is option 'D'. Can you explain this answer?.
Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.a)Bariteb)Sphaleritec)Graphited)GalenaCorrect answer is option 'D'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.a)Bariteb)Sphaleritec)Graphited)GalenaCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Identify the mineral which has specific gravity > 5, hardness < 3 and gives grey streak.a)Bariteb)Sphaleritec)Graphited)GalenaCorrect answer is option 'D'. Can you explain this answer?.
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