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25.5 g of H_(2)O_(2) solution on decomposition gave 1.68 L of O_(2) at STP. The percentage strength by weight of the solution is

Answer» <html><body><p>30<br/>10<br/>20<br/>25</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html>


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