Question

PbS (s) + 4H2O2 (aq) ------> PbSO4 (s) +4H20 (l)

A) Which substance is reduced?
B) Which substance is oxidised?

Answer 1

Answer:

A]H2 is reduced by PbS

B]PbS is oxydised by H2

EXPLANATION:

OXIDATION IS GAIN OF ELECTRON OR OXYZEN

REDUCTION IS GAIN OF HYDROGEN OR LOSS OF ELECTRON

HOLE TOU UNDERSTOOD

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