EDUCATION (CBSE/UGC NET)

EDUCATION UGC NET

ENVIRONMENTAL STUDIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Smelting of metallic minerals into copper, lead and zinc release large amounts of
A
Nitric oxide
B
Carbon dioxide
C
Sulphur dioxide
D
Hydrogen Sulphide
Explanation: 
There is 1 question to complete.