a piece of red litmus paper turns white when it is dipped into a freshly made aqueous solution of a white solid the white solid is
1)Na2O
2)Na2O2
3)Na2CO3.10H20
4)NaOH
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The white solid is Na2O2. A piece of red litmus paper turns white when it is dipped into a freshly made aqueous solution of white solid.
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