Heating lead nitrate: the products and the brown fumes

1. A.
   thermal decomposition of lead nitrate which produces brown fumes of nitrogen dioxide.
2. B.
   thermal decomposition of lead nitrate which produces brown fumes of lead oxide.
3. C.
   oxidation of lead nitrate forming lead oxide and nitrogen dioxide.
4. D.
   oxidation of lead nitrate forming lead oxide and oxygen.

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1. A.
   $\mathrm{PbO}$, $\mathrm{N_2O}$ and $\mathrm{O_2}$
2. B.
   $\mathrm{NO}$, $\mathrm{PbO}$ and $\mathrm{O_2}$
3. C.
   $\mathrm{Pb(NO_2)_2}$ and $\mathrm{O_2}$
4. D.
   $\mathrm{NO_2}$, $\mathrm{PbO}$ and $\mathrm{O_2}$

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1. A.
   brown fumes of $\mathrm{O_2}$ gas
2. B.
   white fumes of $\mathrm{NO_2}$ gas
3. C.
   yellow fumes of lead oxide
4. D.
   brown fumes of $\mathrm{NO_2}$ gas

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1. A.
   $\mathrm{NO}$ and $\mathrm{O_2}$
2. B.
   $\mathrm{N_2}$ and $\mathrm{NO_2}$
3. C.
   $\mathrm{NO_2}$ and $\mathrm{H_2}$
4. D.
   $\mathrm{NO_2}$ and $\mathrm{O_2}$

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