Question

14. Which of the following is a double displacement reaction?
(a) CaCO3(s) » Cao(s) + CO2(g)
(b) Zn (s) + 2HCl (aq) → ZnCl2(aq) + H2(g)
(c) H2SO4 (aq) + 2NaOH (aq) Na2SO4(aq) + 2H20 (1)​

Answer 1

Answer:

c............................

Answer 2

Explanation:

c is the correct answer