Brass gets discoloured in air due to constant exposure in presence of: Options: A . &nbspAluminium phosphide B . &nbspHydrogen sulphide C . &nbspHydrogenated wafers D . &nbspAluminium sulphide

Brass gets discoloured in air due to constant exposure in presence of:

Question

Brass gets discoloured in air due to constant exposure in presence of:

Options:

A . Aluminium phosphide

B . Hydrogen sulphide

C . Hydrogenated wafers

D . Aluminium sulphide

Answer: Option B

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