Megha takes a sample of white lead nitrate powder in a test tube and heats it over a flame. Brown fumes are released and the colour of the powder changes to yellow. What is the product obtained during this Thermal decomposition reaction ?
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Upon heating lead nitrate strongly, it decomposes with a crackling sound and a precipitate of lead oxide is formed along with the release of oxygen and nitrogen dioxide gas. The oxygen liberated can be tested by introducing a glowing splint near the boiling tube.
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