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MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp-Block (group 13 and 14)Previous Year Questions

For which one of the following minerals, the composition given is incorrect? (Kerala CEE 2007)

A.Glauber’s salt – Na₂SO₄. 10H₂O

B.Borax – Na₂B₄O₇.7H₂O✓ Correct

C.Cornallite – KCl.MgCl₂. 6H₂O

D.Soda ash – Na₂CO₃

Explanation

Na₂B₄O₇.10H₂O

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