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Question

Sodium nitrate decomposes above 800oC to give:
  1. N2
  2. NO2
  3. Na2O
  4. O2

A
N2
B
NO2
C
Na2O
D
O2
Solution
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2NaNO3Δ2NaNO2+O2

When sodium nitrate decomposes above 800oC,

2NaNO3800oCNa2O+N2+52O2

Hence options A,B & D are correct.

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