Nitrogen dioxide cannot be obtained by heating: (A) \( \mathrm{KNO}_{3} \) (B) \( \mathrm{Pb}\le...

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Nitrogen dioxide cannot be obtained by heating:
(A) \( \mathrm{KNO}_{3} \)
(B) \( \mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2} \)
(C) \( \mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2} \)
(D) \( \mathrm{AgNO}_{3} \)
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