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Thermal decomposition

4 PYQ across 2 exams · 2020–2023 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CDS 2020 → NDA 2020
20202 PYQs
CDSQ115
Lead nitrate on heating gives…
NDAQ143
At nearly 70°C, sodium bicarbonate shows the property of gradually decomposing, which makes it usable in bakery products. The product of dec…
20211 PYQ
CDSQ97
When we heat lead nitrate [Pb(NO₃)₂] in a boiling tube, we observe the emission of brown fumes. Which one of the following is the brown gas?…
20231 PYQ
CDSQ13
Which of the following statements with regard to heating of lead nitrate powder over a flame are correct? 1. Brown fumes of NO are released.…
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