2NaOH + H2SO4 = Na2SO4 + 2H2O
2NaOH+ CuSO4 = Cu(OH)2 + Na2SO4
NaOH + HCl = NaCl + H2O
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2NaOH + H2SO4 = Na2SO4 + 2H2O
2NaOH+ CuSO4 = Cu(OH)2 + Na2SO4
NaOH + HCl = NaCl + H2O
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