Chemistry, 24.06.2019 20:30 luffybunny

(this question is from apex in course: physical science sem 2 which of the following are double-displacement reactions? check all that apply. a. hc2h3o2(aq) + nahco3(aq) → nac2h3o2(aq) + h2co3(aq) b. naoh(aq) + hci(aq) → naci(aq) + hoh(i) c. zn (s) + hci (aq) → znci2 (aq) + h2 (g) d. 2cu (s) + o2 (g) → 2cuo (s)

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