What is allotropy?
 

Important Questions on Carbon and Its Compounds

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

Explain why diamond is hard in light?
 

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

What is the carbon cycle? Draw a neat, well-labelled diagram to show it.
 

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

Why is graphite used as a solid lubricant?
 

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

What makes graphite suitable for use as an electrode?
 

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

State two important uses of each diamond and graphite.
 

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

Why the name fullerene has been given to the allotrope containing 60 atoms joined in its molecule?
 

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

State some possible uses of fullerenes in the future.
 

MEDIUM

8th ICSE

IMPORTANT

Its All About Science - Chemistry>Chapter 9 - Carbon and Its Compounds>Check Point>Q A

How is the structure of amorphous carbon different from those of crystalline forms of carbon?