Question

5 Which among the following is/are double
displacement reaction(s)?
(i) Pb + CuCl2 → PbCl2 + Cu
(ii) Na2SO4 + BaCl2 - BaSO4 + 2NaCl
(iii) C + O2
(iv) CH4 + 202
(a) (i) and (iv)
(c) (i) and (ii)
CO2
CO2 + 2H2O
(b) Only (ii)
(d) (iii) and (iv)
pro​

Answer 1

Answer:

only 2

Explanation:

sodium displace chlorine ions and barium displace sulphate ions