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 10
Periodic Classifications of elements
Metallurgy of Aluminium, Copper and Iron
6.
Spot the correct statement: Copper Occurrence
Exercise condition:
4
m.
Spot the error and choose the correct statements:
1.
The Romans called it Cuprum because they obtained it from the mainland of Cyprus.
The Romans called it Cuprum because they obtained it from the island of Cyprus.
The Romens called it Cuprum because they obtained it from the island of Cyprus.
The Romans called it Cuprum because they obtained it form the island of Cyprus.
The Ramans called it Cuprum because they obtained it from the island of Cyprus.
2.
Copper glance is partly converted into copper sulphide and iron sulphide.
Copper glense is partly converted into copper sulphide and iron sulphide.
Copper cuprite is partly converted into copper sulphide and cuprite sulphide.
Copper glonce is partly converted into copper sulphide and iron sulphide.
Copper pyrite is partly converted into copper sulphide and iron sulphide.
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!