1.

A student took some lead nitrate compound in a boiling tube and heated it strongly. The gas/gases evolved on heating this compound is/are :(1) NO2(2) NO2 + CO2(3) NO2 + O2(4) N2 + O2

Answer» A student took some lead nitrate compound in a boiling tube and heated it strongly. The gas/gases evolved on heating this compound is/are :

(1) NO2

(2) NO2 + CO2

(3) NO2 + O2

(4) N2 + O2


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