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Class 10 Science Medium Mcq English Medium

Heating lead nitrate, 2Pb(NO3)2 -> 2PbO + 4NO2 + O2, produces which gas responsible for the brown fumes?

Question
Heating lead nitrate, 2Pb(NO3)2 -> 2PbO + 4NO2 + O2, produces which gas responsible for the brown fumes?
Oxygen
Nitrogen dioxide
Carbon dioxide
Sulphur dioxide
Answer
Nitrogen dioxide
Detailed Explanation
The brown fumes observed on heating lead nitrate are nitrogen dioxide (NO2) gas.
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