carolindapowell carolindapowell 24-04-2020 Chemistry contestada Help! Which chemical reaction represents a double displacement reaction? A. 2Na + Cl2 > 2NaCl B. 2KClO3 > 2KCI + 302 C. Zn + 2HCl > ZnCl2 + H2 D. NaOH + HCI > NaCl + H20