state your observation for the action of heat on lead nitrate
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When lead nitrate crystals are heated strongly, a reddish brown coloured gas is released. This is nitrogen dioxide gas. It has an irritating odour. It turns moist blue litmus red.
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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.
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