Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science State Board
Class 9
Carbon and its compounds
Classification, features and uses of compounds
1.
Choose the best: Discovery of Carbon
Exercise condition:
2
m.
Choose the suitable answer to the following questions:
1.
Lavoisier decided that diamond and charcoal were made of ____________ element .
Hydrogen
Carbon
Nitrogen
Graphite
2.
Who produce pure graphite from carbon?
Francis Bundy
Richard Smalley
Harry Kroto
Benjamin Brodie
Login
or
Fast registration
Previous theory
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!