Home Chemistry Chemical Analysis Mix In fifth group, (NH 4 ) 2 CO 3 is added to p…
Chemistry Chemical Analysis Mix Single Correct MCQ
Published on: August 13, 2026

In fifth group, (NH 4 ) 2 CO 3 is added to precipitate out the carbonates in presence of NH 4 Cl. We do not add Na 2 CO 3 because :

A
CaCO 3 is soluble in Na 2 CO 3
B
Na 2 CO 3 increases the solubility of fifth group carbonates
C
MgCO 3 will be precipitated out in fifth group
D
Mg(OH) 2 will be precipitated

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The correct answer is:
C
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