Class 2 Exam > Class 2 Questions > A soft, white rock that is used to write on b...
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A soft, white rock that is used to write on blackboards is
- a)graphite.
- b)chalk.
- c)talc.
- d)quartz.
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A soft, white rock that is used to write on blackboards isa)graphite.b...
Chalk as a Writing Tool
Chalk is a soft, white rock that is commonly used to write on blackboards. Here's why chalk is the correct answer for this question:
Composition:
- Chalk is primarily composed of calcium carbonate, which gives it its characteristic white color and soft texture.
- The softness of chalk makes it easy to write with on a blackboard, as it leaves a visible mark without damaging the surface.
Usage on Blackboards:
- Chalk has been used as a writing tool on blackboards for centuries due to its effectiveness and affordability.
- When writing with chalk on a blackboard, the calcium carbonate in the chalk leaves a white mark on the dark surface, making it highly visible.
Alternative Options:
- Graphite is a dark, metallic mineral used in pencils, not chalk.
- Talc is a soft mineral often used in cosmetics and baby powder, not chalk.
- Quartz is a hard mineral commonly used in jewelry and construction, not chalk.
In conclusion, chalk is the correct answer for a soft, white rock used to write on blackboards due to its composition, historical usage, and distinctive properties that make it suitable for this purpose.
Chalk is a soft, white rock that is commonly used to write on blackboards. Here's why chalk is the correct answer for this question:
Composition:
- Chalk is primarily composed of calcium carbonate, which gives it its characteristic white color and soft texture.
- The softness of chalk makes it easy to write with on a blackboard, as it leaves a visible mark without damaging the surface.
Usage on Blackboards:
- Chalk has been used as a writing tool on blackboards for centuries due to its effectiveness and affordability.
- When writing with chalk on a blackboard, the calcium carbonate in the chalk leaves a white mark on the dark surface, making it highly visible.
Alternative Options:
- Graphite is a dark, metallic mineral used in pencils, not chalk.
- Talc is a soft mineral often used in cosmetics and baby powder, not chalk.
- Quartz is a hard mineral commonly used in jewelry and construction, not chalk.
In conclusion, chalk is the correct answer for a soft, white rock used to write on blackboards due to its composition, historical usage, and distinctive properties that make it suitable for this purpose.
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A soft, white rock that is used to write on blackboards isa)graphite.b...
Chalk is a soft white rock used to write on the blackboard.
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A soft, white rock that is used to write on blackboards isa)graphite.b)chalk. c)talc.d)quartz.Correct answer is option 'B'. Can you explain this answer? for Class 2 2025 is part of Class 2 preparation. The Question and answers have been prepared according to the Class 2 exam syllabus. Information about A soft, white rock that is used to write on blackboards isa)graphite.b)chalk. c)talc.d)quartz.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 2 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A soft, white rock that is used to write on blackboards isa)graphite.b)chalk. c)talc.d)quartz.Correct answer is option 'B'. Can you explain this answer?.
A soft, white rock that is used to write on blackboards isa)graphite.b)chalk. c)talc.d)quartz.Correct answer is option 'B'. Can you explain this answer? for Class 2 2025 is part of Class 2 preparation. The Question and answers have been prepared according to the Class 2 exam syllabus. Information about A soft, white rock that is used to write on blackboards isa)graphite.b)chalk. c)talc.d)quartz.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 2 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A soft, white rock that is used to write on blackboards isa)graphite.b)chalk. c)talc.d)quartz.Correct answer is option 'B'. Can you explain this answer?.
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