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B
CuSO4+2NaOH→2Na2SO4+Cu(OH)3↓
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C
CuSO4+3NaOH→Na2SO4+Cu(OH)3↓
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D
CuSO4+3NaOH→2Na2SO4+Cu(OH)2↓
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Solution
The correct option is ACuSO4+2NaOH→Na2SO4+Cu(OH)2↓ Following is the equation for action of sodium hydroxide on copper sulphate.CuSO4+2NaOH→Na2SO4+Cu(OH)2↓