Helur1 Helur1 23-05-2022 Chemistry contestada Guys please helppp!!!!! Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. Which reaction represents a nuclear reaction? A. CO₂ + H₂O → H₂CO₂ B. U→ Th+ He²+ C. 2Na+ Cl₂ → 2NaCl D. 2H₂O₂ → 2H₂ + O₂