HARD
12th ICSE
IMPORTANT
Earn 100

Explain the term ‘Bessemerisation’ in the extraction of copper from cuprous oxide.

Important Questions on General Principles and Processes of Isolation of Elements
HARD
12th ICSE
IMPORTANT
How does the copper is extracted from low grade ore?

MEDIUM
12th ICSE
IMPORTANT
Answer the question: A type of iron which has carbon content.

MEDIUM
12th ICSE
IMPORTANT
Answer the questions: A type of iron which has carbon content.

MEDIUM
12th ICSE
IMPORTANT
A substance is formed when of carbon is added to wrought iron.

HARD
12th ICSE
IMPORTANT
Using the principle of thermodynamics, discuss the extraction of iron from its oxide. Explain each step involved in blast furnace.

MEDIUM
12th ICSE
IMPORTANT
Which methods are usually employed for purifying the tin metal ?

MEDIUM
12th ICSE
IMPORTANT
Which methods are usually employed for purifying the Germanium metal ?

MEDIUM
12th ICSE
IMPORTANT
Name the chief form of occurrence of copper in the earth’s crust.
