Which of the given option represents a family of salts ?

1. NaCl, Na₂SO₄, CaSO₄
2. K₂SO₄, Na₂SO₄, CaSO₄
3. NaNO₃, CaCO₃, Na₂CO₃
4. MgSO₄, CuSO₄, MgCl₂

Solution

Asked in: CBSE

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