Q1
What unique ability does carbon have?
AForming four bonds and catenation
BOnly forming one bond
CNever bonding with itself
DNo special ability
SSCClass 9 (SSC)Science and Technology (विज्ञान आणि तंत्रज्ञान)Ch 13 · Topic 2
Practice and Revision - Carbon - An Important Element
Let us practise and revise what we learned about carbon - an important element. Carbon is a versatile element forming the basis of organic c
Core concept
Carbon has the unique ability to form four bonds and chain with itself (catenation), enabling the vast diversity of organic compounds.
How it works
Carbon exists in different allotropic forms, including diamond (hardest natural substance) and graphite (soft, used in pencils and lubricants).
Why it matters
Organic compounds, all containing carbon, form the basis of life, including carbohydrates, proteins, fats, and DNA.
Key detail
Carbon compounds have numerous industrial applications, including fuels, plastics, medicines, and countless other everyday products.
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Key diagram
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Quick notes
• Carbon: forms 4 bonds, catenation ability.
• This enables diverse organic compounds.
• Allotropes: diamond (hardest), graphite (soft).
• Graphite used in pencils, lubricants.
• Organic compounds: basis of life.
• Include carbohydrates, proteins, fats, DNA.
• Carbon compounds: fuels, plastics, medicines.
• Used in countless everyday products.