इप्सम साल्ट का रासायनिक सू – McqOptions

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1.	इप्सम साल्ट का रासायनिक सूत्र है ?
A.	ZnSO₄ - 7H₂O
B.	Na₂SO₄ - 10H₂O
C.	Na₂CO₃ - 10H₂O
D.	MgSO₄ - 7H₂O
Answer» E.

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