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Ammonia and Nitric Acid — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAmmonia and Nitric Acid1 Mark
Question
Lead nitrate on strong heating decomposes to form lead oxide which is ________ [reddish brown /yellow] when hot and ________ [white/yellow] when cold.
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Answer

reddish brown, yellow

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