MEDIUM
12th Odisha Board
IMPORTANT
Earn 100
What is the difference between smelting and roasting?
Important Questions on General Principles and Processes of Isolation of Elements
HARD
12th Odisha Board
IMPORTANT
What do you understand by the concentration of ores?
HARD
12th Odisha Board
IMPORTANT
What is meant by carbon reduction and electrolytic reduction? Explain with examples. What is the role of flux in the metallurgical operation? Name one mineral that can be used as a flux and describe its working.
MEDIUM
12th Odisha Board
IMPORTANT
Fill in the blanks and rewrite the whole statement:
A metal which can be obtained as a powder is _____.
EASY
12th Odisha Board
IMPORTANT
Fill in the blanks and rewrite the whole statement:
A non-metal which shines like a metal and good conductor of electricity is _____.
EASY
12th Odisha Board
IMPORTANT
Fill in the blanks and rewrite the whole statement:
Two metals used in alloy formation are _____ and _____.
EASY
12th Odisha Board
IMPORTANT
Fill in the blanks and rewrite the whole statement:
Two non-metals used in alloy formation are _____ and _____.
EASY
12th Odisha Board
IMPORTANT
Fill in the blanks and rewrite the whole statement:
Two metals which occur in native state are _____ and _____.
MEDIUM
12th Odisha Board
IMPORTANT
Fill in the blanks and rewrite the whole statement:
A metal which give acidic oxide is _____.
