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Some Basic Concepts of Chemistry
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Periodic Table & Periodicity
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Basics of Organic Chemistry
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IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0
The number of neutrons emitted when $${}_{92}^{235}U$$ undergoes controlled nuclear fission to $${}_{54}^{142}Xe$$ and $${}_{38}^{90}Sr$$ is
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2
IIT-JEE 2009 Paper 2 Offline
Numerical
+3
-1
The total number of $$\alpha$$ and $$\beta$$ particles emitted in the nuclear reaction $$_{92}^{238}U \to _{82}^{214}Pb$$ is _________.
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