Chemistry · Chemical Reactions and Equations
When solid lead(II) nitrate is heated in a dry test tube, a yellow residue is left behind, and two gases are evolved — one is reddish-brown and the other supports combustion. Which gases are evolved?
- 1Nitrogen gas and carbon dioxide
- 2Nitrogen dioxide and oxygen✓
- 3Nitric oxide and oxygen
- 4Nitrogen dioxide and hydrogen
Correct answer
Nitrogen dioxide and oxygen
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