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Which of the following does not give oxygen on heating ?A. `(NH_4)_2Cr_2O_7`B. `KClO_3`C. `Zn(ClO_3)_2`D. `K_2Cr_2O_7` |
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Answer» Correct Answer - A `(NH_4)_2Cr_2O_7 oversetDeltato Cr_2O_3 + 4H_2O + N_2` |
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