plz sove all the these questions
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NaOH+H2SO4=NaSO4+H2O
Fe+H2SO4=FeSO4+H2
2ZnS+2O2=2ZnO+2SO2
Catalysts are required for some reactions to speed up the reactions.
Fe+H2SO4=FeSO4+H2
2ZnS+2O2=2ZnO+2SO2
Catalysts are required for some reactions to speed up the reactions.
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