How many of the following pairs of substances can be separated by mixing with water and filtering?
1) NaNO₃, K₂SO₄
2) MgCO₃, Fe(OH)₃
3) KCl, CuS
4) AgCl, BaCl₂
5) Al₂(SO₄)₃, Al(OH)₃
6) MgCO₃, Mg(HCO₃)₂
7) Na₃AlO₃, Na₂ZnO₂
8) PbCl₂, ZnCl₂
9) Na₂CrO₄, PbCrO₄

Question

How many of the following pairs of substances can be separated by mixing with water and filtering?

1) NaNO₃, K₂SO₄

2) MgCO₃, Fe(OH)₃

3) KCl, CuS

4) AgCl, BaCl₂

5) Al₂(SO₄)₃, Al(OH)₃

6) MgCO₃, Mg(HCO₃)₂

7) Na₃AlO₃, Na₂ZnO₂

8) PbCl₂, ZnCl₂

9) Na₂CrO₄, PbCrO₄

TestHub · Accepted Answer

[ mgCo 3 ​ , Fe ( OH ) 3 ​ ] , [ KCl , Cus ] , [ AgCl , BaCl 2 ​ ] , [ PbCl 2 ​ , ZnCl ] 2 ​ ] , [ Na 2 ​ CrO 4 ​ , PbCrO 4 ​ ] , [ Al 2 ​ ( SO 4 ​ ) 3 ​ , Al ( OH ) 3 ​ ] . These can be separated.

Chemistry - Ionic Equilibrium Question with Solution | TestHub

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