A) Aluminium phosphide
B) Hydrogen sulphide
C) Hydrogenated wafers
D) Aluminium sulphide
Correct Answer: B
Solution :
Brass gets discolored in air because of Hydrogen sulphide. Transition elements are coloured. The brass is combination of \[Zn\]and\[Cu\]. But it is discolored due to hydrogen sulphide in air.You need to login to perform this action.
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