AP EAMCET Medical 2018 Shift 2 Paper

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Question : 133 of 160

Marks: +1, -0

Na2B4O7 . 10H2O

Δ

→

X + NaBO2+H2O
X + CoO

Δ

→

Y (Blue colour)
X and Y are

Na3BO3,Co(BO2)2
Na2B4O7,Co(BO2)2
B2O3,Co(BO2)2
B2O3,Co(BO2)3

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