Question

what do you observe when lead nitrate is heated in China dish​

Answer 1

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it decomposes to produce light yellow solid lead monoxide, reddish-brown nitrogen dioxide gas and colourless oxygen gas.

Answer 2

When lead nitrate is heated, it due to thermal decomposition gives out metal oxide, oxygen and nitrogen dioxide. Lead gives out a yellow buff coloured residue lead oxide with a reddish brown gas nitrogen dioxide.