What do you observe when a burning splinter is brought near the mouth of a test tube containing decomposing lead nitrate?
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when a burning splinter is brought near the mouth of a test tube containing decomposing lead nitrate , the splinter burns more brightly since the evolution of O2 gas supports its combustion.
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Lead nitrate upon decomposing releases fumes of nitrogen dioxide and oxygen gas.
The splinter will burn even brighter provided that extra oxygen.
we did perform this reaction in our 9th grade ;)
Hope it helps
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