CBSE sample paper class 10 science 2023-24 with solutions
(i) Write two observations when lead nitrate is heated in a test tube. (ii) Name the type of reaction. (iii) Write a balanced chemical equation to represent the above reaction.
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CBSE sample paper class 10 science 2023-24 with solutions
(i) It turns yellow due to formation of lead oxide and Reddish-brown fumes evolve.
(ii) Thermal decomposition reaction.
(iii) 2Pb(NO3)2 + Heat → 2PbO + 4NO2 + O2.