Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Chemistry Redox Reactions

In reaction, 2Na2S2O3 + I2 → A + 2NaI; A will be _________.

1

Na2S2O3.H2O

2

Na2S4O6

3

Na2SO4

4

More than of the above

5

None of the above

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