What is the chemical formula of borax salt? – McqOptions

MCQOPTIONS

1.	What is the chemical formula of borax salt?
A.	Na₂B₄O₇ - 10H₂O
B.	Na₂SO₄ --10H₂O
C.	Na₂CO₃ - 10H₂O
D.	NaHCO₃
Answer» B. Na₂SO₄ --10H₂O

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