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 CBSE
Class 10
Metals and non-metals
Textbook based HOTS
50.
Multiple Choice Question Answer XXXXX
Exercise condition:
2
m.
1.
A process employed for the concentration of sulphide ore is -
2.
Zone refining is used for the
Answer variants:
Purification of an ore
Purification of metal
Froth floatation
Bessemerisation
Login
or
Fast registration
Previous exercise
Exit to the topic
Next topic
Send feedback
Did you find an error?
Send it to us!