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| $A. \text{ } _0^1 n + { }_{92}^{235} U \rightarrow { }_{54}^{140} Xe + { }_{38}^{94} Sr + 2_0^1 n$ | $I. \text{ Chemical reaction}$ |
| $B. \text{ } 2H_2 + O_2 \rightarrow 2H_2O$ | $II. \text{ Fusion with } +ve \ Q \text{ value}$ |
| $C. \text{ } _1^2 H + _1^2 H \rightarrow _2^3 He + _0^1 n$ | $III. \text{ Fission}$ |
| $D. \text{ } _1^1 H + _1^3 H \rightarrow _1^2 H + _1^2 H$ | $IV. \text{ Fusion with } -ve \ Q \text{ value}$ |
| Column $I$ | Column $II$ |
|---|---|
| $A$. Nuclear fusion | $P$. Absorption of thermal neutrons by ${}_{92}^{235}U$ |
| $B$. Fission in a nuclear reactor | $Q$. ${}_{27}^{60}Co$ nucleus |
| $C$. $\beta$-decay | $R$. Energy production in stars via hydrogen conversion to helium |
| $D$. $\gamma$-ray emission | $S$. Heavy water |
| $T$. Neutrino emission |
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