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The salt that reacts with dilute hydrochloric a... - JAMB Chemistry 1999 Question

The salt that reacts with dilute hydrochloric acid to produce a pungent smelling gas which decolourizes acidified purple potassium tetraoxomanganate (VII) solution is
A
Na2SO4
B
Na2SO3
C
Na2S
D
Na2CO3
correct option: b
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