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Brass gets discoloured in air due to constant exposure in presence of: (1) Aluminium phosphide (2) Hydrogen sulphide (3) Hydrogenated wafers (4) Aluminium sulphide

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Brass gets discoloured in air due to constant exposure in presence of: (1) Aluminium phosphide (2) Hydrogen sulphide (3) Hydrogenated wafers (4) Aluminium sulphide
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Hydrogen sulphide
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